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.

A183946 Number of strings of numbers x(i=1..n) in 0..2 with sum i^2*x(i) equal to n^2*2.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 5
6 7
7 10
8 20
9 37
10 77
11 118
12 227
13 385
14 697
15 1191
16 2072
17 3489
18 5846
19 9862
20 16373
21 26897
22 44125
23 71991
24 116290
25 187653
26 300903
27 478422
28 761553
29 1200692
30 1893309
31 2961406
32 4630296
33 7188253
34 11155170
35 17211745
36 26490317
37 40633554
38 62126693

List of values

[1, 1, 2, 1, 5, 7, 10, 20, 37, 77, 118, 227, 385, 697, 1191, 2072, 3489, 5846, 9862, 16373, 26897, 44125, 71991, 116290, 187653, 300903, 478422, 761553, 1200692, 1893309, 2961406, 4630296, 7188253, 11155170, 17211745, 26490317, 40633554, 62126693]

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

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