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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.

A091046 Stirling transform of first differences of Bell numbers (A005493), if offset zero: a(n) = Sum_{k=1..n} A008277(n,k)*A005493(k).

Table of values

n a(n)
1 1
2 4
3 20
4 119
5 817
6 6338
7 54707
8 519184
9 5366097
10 59934937
11 718748131
12 9203953921
13 125268224954
14 1804750726306
15 27426230051634
16 438260834123607
17 7343677070172330
18 128716143768613600
19 2354633702684629141
20 44865189679858465163
21 888784065003104357924

List of values

[1, 4, 20, 119, 817, 6338, 54707, 519184, 5366097, 59934937, 718748131, 9203953921, 125268224954, 1804750726306, 27426230051634, 438260834123607, 7343677070172330, 128716143768613600, 2354633702684629141, 44865189679858465163, 888784065003104357924]

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

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