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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.

A298362 Number of tight m X n pavings as defined in Knuth's A285357 written as triangle T(m,n), m >= 1, 1 <= n <= m.

Table of values

n a(n)
1 1
2 1
3 4
4 1
5 11
6 64
7 1
8 26
9 282
10 2072
11 1
12 57
13 1071
14 12279
15 106738
16 1
17 120
18 3729
19 63858
20 781458
21 7743880
22 1
23 247
24 12310
25 305464
26 5111986
27 66679398
28 735490024
29 1
30 502
31 39296
32 1382648
33 30980370
34 521083252
35 7216122740
36 87138728592
37 1
38 1013
39 122773
40 6029325
41 178047831
42 3802292847
43 65106398091

List of values

[1, 1, 4, 1, 11, 64, 1, 26, 282, 2072, 1, 57, 1071, 12279, 106738, 1, 120, 3729, 63858, 781458, 7743880, 1, 247, 12310, 305464, 5111986, 66679398, 735490024, 1, 502, 39296, 1382648, 30980370, 521083252, 7216122740, 87138728592, 1, 1013, 122773, 6029325, 178047831, 3802292847, 65106398091]

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

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