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.

A025185 a(n) = T(3n,n), where T is the array defined in A025177.

Table of values

n a(n)
0 1
1 2
2 16
3 120
4 946
5 7644
6 62832
7 522804
8 4390056
9 37126830
10 315770676
11 2698179488
12 23144461368
13 199177780102
14 1718891656176
15 14869867516812
16 128909380154562
17 1119623594699610
18 9740452802251080
19 84865206568065000
20 740387260555434996
21 6467129226550164474

List of values

[1, 2, 16, 120, 946, 7644, 62832, 522804, 4390056, 37126830, 315770676, 2698179488, 23144461368, 199177780102, 1718891656176, 14869867516812, 128909380154562, 1119623594699610, 9740452802251080, 84865206568065000, 740387260555434996, 6467129226550164474]

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

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