cp's OEIS Frontend

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.

A037097 Periodic vertical binary vectors of powers of 3, starting from bit-column 2 (halved).

Table of values

n a(n)
2 0
3 12
4 120
5 57120
6 93321840
7 10431955353116229600
8 8557304989566294213168677685339060480
9 102743047168201563425402150421568484707810385382513037790885688657488312400960

List of values

[0, 12, 120, 57120, 93321840, 10431955353116229600, 8557304989566294213168677685339060480, 102743047168201563425402150421568484707810385382513037790885688657488312400960]

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

Content is available under The OEIS End-User License Agreement.