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.

A308441 a(n) = (1/n!) * Sum_{i=n..n^2} b(i) where Sum_{i=n..n^2} b(i) * x^i/i! = (Sum_{i=1..n} binomial(n-1,i-1)*x^i/i!)^n.

Table of values

n a(n)
0 1
1 1
2 7
3 1653
4 40206186
5 208933247676473
6 395488498710726039573053
7 415462449496430820816987469491515317
8 342970299885886953080843975129290159101335513911582
9 299220423631045059715652854654572624968209204858890842067137945793201

List of values

[1, 1, 7, 1653, 40206186, 208933247676473, 395488498710726039573053, 415462449496430820816987469491515317, 342970299885886953080843975129290159101335513911582, 299220423631045059715652854654572624968209204858890842067137945793201]