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.

A347429 a(n) is the alternating sum of the n-th row of A047920.

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 18
5 47
6 516
7 1851
8 28502
9 128943
10 2546352
11 13889291
12 334552866
13 2135390367
14 60692391308
15 443650121787
16 14531752130766
17 119684543973551
18 4438679955367752
19 40666524402277323
20 1684291581885909722
21 16989963249272202591
22 777243725319000331236

List of values

[1, 1, 2, 3, 18, 47, 516, 1851, 28502, 128943, 2546352, 13889291, 334552866, 2135390367, 60692391308, 443650121787, 14531752130766, 119684543973551, 4438679955367752, 40666524402277323, 1684291581885909722, 16989963249272202591, 777243725319000331236]