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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.

A027775 a(n) = (n+1)*binomial(n+1, 15).

Table of values

n a(n)
14 15
15 256
16 2312
17 14688
18 73644
19 310080
20 1139544
21 3751968
22 11277222
23 31380096
24 81719000
25 200880160
26 469364220
27 1048380480
28 2249204040
29 4653525600
30 9316746045
31 18103127040
32 34226224560
33 63102895680
34 113678010600
35 200444492160
36 346475391120
37 587908889280

List of values

[15, 256, 2312, 14688, 73644, 310080, 1139544, 3751968, 11277222, 31380096, 81719000, 200880160, 469364220, 1048380480, 2249204040, 4653525600, 9316746045, 18103127040, 34226224560, 63102895680, 113678010600, 200444492160, 346475391120, 587908889280]

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

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