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.

A265906 a(n) = A153880(A265905(n)); also the first differences of A265905.

Table of values

n a(n)
1 2
2 8
3 38
4 242
5 1688
6 13238
7 121442
8 1212968
9 13211798
10 160076282
11 2080120448
12 28952201678
13 436718865962
14 6985509376688
15 118290516617198
16 2137197890239202
17 40600129761103688
18 809755594446845558
19 17050115848925513762
20 375062123907891088808
21 8608573107134508912038
22 207014026157802769184402
23 5174962975935097945559048

List of values

[2, 8, 38, 242, 1688, 13238, 121442, 1212968, 13211798, 160076282, 2080120448, 28952201678, 436718865962, 6985509376688, 118290516617198, 2137197890239202, 40600129761103688, 809755594446845558, 17050115848925513762, 375062123907891088808, 8608573107134508912038, 207014026157802769184402, 5174962975935097945559048]