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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.

A215827 Number of intermediate configurations needed to be stored to calculate the number of ways in which a 9 X n grid can be tiled with triominoes.

Table of values

n a(n)
1 4
2 360
3 4261
4 20104
5 44654
6 70166
7 95681
8 121196
9 146711
10 172226
11 197741
12 223256
13 248771
14 274286
15 299801
16 325316
17 350831
18 376346
19 401861
20 427376
21 452891
22 478406
23 503921
24 529436
25 554951
26 580466
27 605981
28 631496
29 657011
30 682526
31 708041
32 733556
33 759071
34 784586

List of values

[4, 360, 4261, 20104, 44654, 70166, 95681, 121196, 146711, 172226, 197741, 223256, 248771, 274286, 299801, 325316, 350831, 376346, 401861, 427376, 452891, 478406, 503921, 529436, 554951, 580466, 605981, 631496, 657011, 682526, 708041, 733556, 759071, 784586]

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

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