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.

A316370 E.g.f.: Sum_{n>=0} x^n/n! * Product_{k=1..n} (n+1-k) + k*x.

Table of values

n a(n)
0 1
1 1
2 4
3 21
4 152
5 1410
6 15774
7 207984
8 3153632
9 54074952
10 1034749080
11 21858562440
12 505274905992
13 12686390177136
14 343815306388176
15 10003360314147480
16 311003061260534400
17 10289575224413883840
18 360967225620921712704
19 13383588039651073512576
20 522943874535097662998400
21 21477474848621411837159040
22 924978962293503284606947200

List of values

[1, 1, 4, 21, 152, 1410, 15774, 207984, 3153632, 54074952, 1034749080, 21858562440, 505274905992, 12686390177136, 343815306388176, 10003360314147480, 311003061260534400, 10289575224413883840, 360967225620921712704, 13383588039651073512576, 522943874535097662998400, 21477474848621411837159040, 924978962293503284606947200]

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

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