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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.

A247295 Number of weighted lattice paths B(n) having no uhd and no uHd strings.

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 7
5 14
6 30
7 64
8 141
9 316
10 713
11 1626
12 3740
13 8659
14 20176
15 47274
16 111302
17 263201
18 624860
19 1488736
20 3558412
21 8530533
22 20505468
23 49413242
24 119347708
25 288873639
26 700582008
27 1702190653
28 4142880297
29 10099352082
30 24656876772
31 60283224645
32 147581756005

List of values

[1, 1, 2, 4, 7, 14, 30, 64, 141, 316, 713, 1626, 3740, 8659, 20176, 47274, 111302, 263201, 624860, 1488736, 3558412, 8530533, 20505468, 49413242, 119347708, 288873639, 700582008, 1702190653, 4142880297, 10099352082, 24656876772, 60283224645, 147581756005]

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

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