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.

A147878 The number of degree sequences with degree sum 2n representable by a connected graph (with multiple edges allowed).

Table of values

n a(n)
1 1
2 2
3 5
4 11
5 23
6 46
7 86
8 156
9 273
10 463
11 766
12 1241
13 1969
14 3073
15 4723
16 7157
17 10711
18 15850
19 23206
20 33654
21 48373
22 68955
23 97544
24 137002
25 191125
26 264955
27 365127
28 500349
29 682018
30 924982
31 1248502
32 1677530
33 2244229
34 2989952
35 3967732
36 5245354
37 6909211

List of values

[1, 2, 5, 11, 23, 46, 86, 156, 273, 463, 766, 1241, 1969, 3073, 4723, 7157, 10711, 15850, 23206, 33654, 48373, 68955, 97544, 137002, 191125, 264955, 365127, 500349, 682018, 924982, 1248502, 1677530, 2244229, 2989952, 3967732, 5245354, 6909211]

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

Content is available under The OEIS End-User License Agreement.