cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A217446 Sum of the squares of numbers obtained by digit permutations of the concatenation of first n numbers.

Table of values

n a(n)
1 1
2 585
3 331668
4 213208980
5 156226437720
6 129158041750920
7 119164964083502400
8 121503028361696976960
9 135757575541042424323200
10 165013333307050666667644800
11 216831999996550400000012812800
12 306342399999513113600000180544000
13 463124479999926454528000002723302400

List of values

[1, 585, 331668, 213208980, 156226437720, 129158041750920, 119164964083502400, 121503028361696976960, 135757575541042424323200, 165013333307050666667644800, 216831999996550400000012812800, 306342399999513113600000180544000, 463124479999926454528000002723302400]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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