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.

A193660 Q-residue of the triangle A038207 of coefficients of (x+2)^n, where Q is the triangle given by t(i,j)=1 for 0<=i<=j. (See Comments.)

Table of values

n a(n)
0 1
1 2
2 5
3 22
4 201
5 3690
6 131149
7 9004286
8 1204317329
9 316525415890
10 164556516205461
11 169974659148800742
12 349799994417738642265
13 1436618749673583674658362
14 11785996128174350460348176861
15 193254862258295280115072223316430

List of values

[1, 2, 5, 22, 201, 3690, 131149, 9004286, 1204317329, 316525415890, 164556516205461, 169974659148800742, 349799994417738642265, 1436618749673583674658362, 11785996128174350460348176861, 193254862258295280115072223316430]