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.

A090366 Shifts 1 place left under the INVERT transform of the BINOMIAL transform of the self-convolution of this sequence.

Table of values

n a(n)
0 1
1 1
2 4
3 21
4 131
5 917
6 6988
7 56965
8 491240
9 4447558
10 42048457
11 413473928
12 4215959294
13 44469487070
14 484303175837
15 5437300482651
16 62848069403649
17 747063566345320
18 9123406697372938
19 114370704441951620
20 1470590692488141315
21 19381056189738194070

List of values

[1, 1, 4, 21, 131, 917, 6988, 56965, 491240, 4447558, 42048457, 413473928, 4215959294, 44469487070, 484303175837, 5437300482651, 62848069403649, 747063566345320, 9123406697372938, 114370704441951620, 1470590692488141315, 19381056189738194070]

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

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