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.

A098616 Product of Pell and Catalan numbers: a(n) = A000129(n+1)*A000108(n).

Table of values

n a(n)
0 1
1 2
2 10
3 60
4 406
5 2940
6 22308
7 175032
8 1408550
9 11561836
10 96425836
11 814773960
12 6960289532
13 60012947800
14 521582661000
15 4564643261040
16 40190674554630
17 355772529165900
18 3164408450118300
19 28266363849505320
20 253466716153665300
21 2280803103062033160
22 20588945107316958840

List of values

[1, 2, 10, 60, 406, 2940, 22308, 175032, 1408550, 11561836, 96425836, 814773960, 6960289532, 60012947800, 521582661000, 4564643261040, 40190674554630, 355772529165900, 3164408450118300, 28266363849505320, 253466716153665300, 2280803103062033160, 20588945107316958840]

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

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