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.

A053993 The number phi_2(n) of Frobenius partitions that allow up to 2 repetitions of an integer in a row.

Table of values

n a(n)
0 1
1 1
2 3
3 5
4 9
5 14
6 24
7 35
8 55
9 81
10 120
11 171
12 248
13 345
14 486
15 669
16 920
17 1246
18 1690
19 2256
20 3014
21 3984
22 5253
23 6870
24 8970
25 11618
26 15022
27 19306
28 24745
29 31557
30 40154
31 50845
32 64244
33 80850
34 101501
35 126982
36 158514
37 197218
38 244865
39 303143
40 374497
41 461435

List of values

[1, 1, 3, 5, 9, 14, 24, 35, 55, 81, 120, 171, 248, 345, 486, 669, 920, 1246, 1690, 2256, 3014, 3984, 5253, 6870, 8970, 11618, 15022, 19306, 24745, 31557, 40154, 50845, 64244, 80850, 101501, 126982, 158514, 197218, 244865, 303143, 374497, 461435]