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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.

A233834 a(n) = 5*binomial(7*n+5,n)/(7*n+5).

Table of values

n a(n)
0 1
1 5
2 45
3 500
4 6200
5 82251
6 1142295
7 16398200
8 241379325
9 3623534200
10 55262073757
11 853814730600
12 13335836817420
13 210225027967325
14 3340362288091500
15 53443628421286320
16 860246972339613855
17 13921016318025200505
18 226352372251889455000
19 3696160728052814340000

List of values

[1, 5, 45, 500, 6200, 82251, 1142295, 16398200, 241379325, 3623534200, 55262073757, 853814730600, 13335836817420, 210225027967325, 3340362288091500, 53443628421286320, 860246972339613855, 13921016318025200505, 226352372251889455000, 3696160728052814340000]

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

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