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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.

A127943 a(n) = 2^binomial(n+1,2)/A046161(n).

Table of values

n a(n)
0 1
1 1
2 1
3 4
4 8
5 128
6 2048
7 131072
8 2097152
9 536870912
10 137438953472
11 140737488355328
12 72057594037927936
13 295147905179352825856
14 1208925819614629174706176
15 19807040628566084398385987584
16 40564819207303340847894502572032
17 2658455991569831745807614120560689152

List of values

[1, 1, 1, 4, 8, 128, 2048, 131072, 2097152, 536870912, 137438953472, 140737488355328, 72057594037927936, 295147905179352825856, 1208925819614629174706176, 19807040628566084398385987584, 40564819207303340847894502572032, 2658455991569831745807614120560689152]

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

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