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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.

A352862 a(n) = 1 + Sum_{k=0..n-1} binomial(n+3,k+4) * a(k).

Table of values

n a(n)
0 1
1 2
2 8
3 36
4 170
5 865
6 4742
7 27757
8 172375
9 1130865
10 7809057
11 56572404
12 428710587
13 3389749264
14 27901667938
15 238599540142
16 2115876327408
17 19425465343555
18 184355895494512
19 1806122902809371
20 18242807108024625
21 189750478368293523
22 2030261803964224359
23 22323607721661782198

List of values

[1, 2, 8, 36, 170, 865, 4742, 27757, 172375, 1130865, 7809057, 56572404, 428710587, 3389749264, 27901667938, 238599540142, 2115876327408, 19425465343555, 184355895494512, 1806122902809371, 18242807108024625, 189750478368293523, 2030261803964224359, 22323607721661782198]

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

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