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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.

A061787 a(n) = Sum_{k=1..n} (2k-1)^(2k-1).

Table of values

n a(n)
1 1
2 28
3 3153
4 826696
5 388247185
6 285699917796
7 303160806510049
8 438197051187369424
9 827678458937524133601
10 1979247334119251113257580
11 5844566265720101772494382001
12 20886312566113632136127527292568

List of values

[1, 28, 3153, 826696, 388247185, 285699917796, 303160806510049, 438197051187369424, 827678458937524133601, 1979247334119251113257580, 5844566265720101772494382001, 20886312566113632136127527292568]

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

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