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.

A246764 Number of tilings of a 5 X n rectangle using n pentominoes of shapes P, I, N, T.

Table of values

n a(n)
0 1
1 1
2 3
3 7
4 17
5 78
6 247
7 916
8 3301
9 11272
10 41854
11 150485
12 538585
13 1954912
14 6978464
15 25170446
16 90851829
17 326048198
18 1176355862
19 4230352602
20 15222263126
21 54855015353
22 197302183497
23 710556528403
24 2557837610375
25 9205575728179
26 33148388282116
27 119307072980025

List of values

[1, 1, 3, 7, 17, 78, 247, 916, 3301, 11272, 41854, 150485, 538585, 1954912, 6978464, 25170446, 90851829, 326048198, 1176355862, 4230352602, 15222263126, 54855015353, 197302183497, 710556528403, 2557837610375, 9205575728179, 33148388282116, 119307072980025]

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

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