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{"sheet":"Definiciones","index":0,"n_rows":25,"n_cols":9,"rows_kept":25,"cut":false,"hidden":false,"merged":[]}
["Naturales","Sumas"]
[1,{"$f":"A2","v":1}]
[{"$f":"A2+1","v":2},{"$f":"A3+B2","v":3},null,"Números triangulares",null,null,null,"Generación a partir de la fórmula"]
[3,6]
[4,10,null,"Generación como suma de consecutivos",null,null,null,"T(n)=n*(n+1)/2"]
[5,15]
[6,21,null,"Columna A",null,null,null,"Valor de n"]
[7,28,null,null,null,null,null,900]
[8,36,null,"A1=1","Cada elemento es "]
[9,45,null,"An=An-1+1","consecutivo del anterior"]
[10,55,null,null,null,null,null,"Valor de T(n)"]
[11,66,null,"Columna B",null,null,null,{"$f":"H8*(H8+1)/2","v":405450}]
[12,78,null,null,"Cada elemento es suma"]
[13,91,null,"B1=A1","de la suma anterior",null,null,"Podemos comprobar los valores de las dos columnas"]
[14,105,null,"Bn=An+Bn-1","y el nuevo elemento"]
[15,120,null,null,null,null,null,"Funciones definidas para triangulares"]
[16,136]
[17,153,null,null,null,null,null,"Directa"]
[18,171,null,null,null,null,null,"TRIANGULAR(N)",{"$f":"triangular(H8)","v":405450}]
[19,190]
[20,210,null,null,null,null,null,"Cominatoria"]
[21,231,null,null,null,null,null,"COMBINAT(N+1;2)",{"$f":"COMBIN(H8+1,2)","v":405450}]
[]
[null,null,null,null,null,null,null,"Recurrencia"]
[null,null,null,null,null,null,null,"TRIANGULAR_R(N)",{"$f":"triangular_r(H8)","v":405450}]

{"sheet":"Funciones","index":1,"n_rows":7,"n_cols":6,"rows_kept":7,"cut":false,"hidden":false,"merged":[]}
[]
[null,null,"¿Es triangular este número?",null,null,10000]
[null,null,null,null,null,{"$f":"IF(ordentriang(F2)<>0,\"SÍ\",\"NO\")","v":"NO"}]
[null,null,null,null,"Orden",{"$f":"IF(F3=\"SÍ\",ordentriang(F2),\"\")","v":""}]
[]
[null,null,"Triangular anterior",null,null,{"$f":"prevtriang(F2)","v":9870}]
[null,null,"Triangular posterior",null,null,{"$f":"proxtriang(F2)","v":10011}]