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.

A290889 Number of partitions of the set of odd numbers {1, 3, ..., 2*n-1} into two subsets such that the absolute difference of the sums of the two subsets is minimized.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 5
8 4
9 13
10 10
11 38
12 34
13 118
14 103
15 380
16 346
17 1262
18 1153
19 4277
20 3965
21 14745
22 13746
23 51541
24 48396
25 182182
26 171835
27 650095
28 615966
29 2338706
30 2223755
31 8472697
32 8082457
33 30884150
34 29543309
35 113189168
36 108545916
37 416839177
38 400623807
39 1541726967

List of values

[1, 1, 1, 1, 2, 1, 5, 4, 13, 10, 38, 34, 118, 103, 380, 346, 1262, 1153, 4277, 3965, 14745, 13746, 51541, 48396, 182182, 171835, 650095, 615966, 2338706, 2223755, 8472697, 8082457, 30884150, 29543309, 113189168, 108545916, 416839177, 400623807, 1541726967]