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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.

A133286 a(n) is the difference by which n^n overestimates the value of (1/2) Sum_{k>=0} k^n/2^k.

Table of values

n a(n)
0 0
1 0
2 1
3 14
4 181
5 2584
6 41973
7 776250
8 16231381
9 380333228
10 9897752437
11 283689038038
12 8888008880661
13 302348248243872
14 11101365482587573
15 437663607189881522
16 18441428419027570261
17 827109891119307628276
18 39343022540633280730101
19 1978326854072994260712846

List of values

[0, 0, 1, 14, 181, 2584, 41973, 776250, 16231381, 380333228, 9897752437, 283689038038, 8888008880661, 302348248243872, 11101365482587573, 437663607189881522, 18441428419027570261, 827109891119307628276, 39343022540633280730101, 1978326854072994260712846]

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

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