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.

A242105 Number of sequences (x(k))_{k=1..n}, of n strictly increasing terms of nonnegative integers {x(1) satisfying x(k) <= k^2 for all k.

Table of values

n a(n)
0 1
1 2
2 7
3 44
4 428
5 5802
6 102322
7 2239844
8 58849332
9 1810039960
10 63930543419
11 2553881719348
12 113979459829296
13 5625823639358928
14 304505544257483550
15 17944306197698666740
16 1144180970802458374244
17 78517953136289477587608
18 5771772521253777092098050

List of values

[1, 2, 7, 44, 428, 5802, 102322, 2239844, 58849332, 1810039960, 63930543419, 2553881719348, 113979459829296, 5625823639358928, 304505544257483550, 17944306197698666740, 1144180970802458374244, 78517953136289477587608, 5771772521253777092098050]