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A056520 as a simple table

n a(n)
0 1
1 2
2 6
3 15
4 31
5 56
6 92
7 141
8 205
9 286
10 386
11 507
12 651
13 820
14 1016
15 1241
16 1497
17 1786
18 2110
19 2471
20 2871
21 3312
22 3796
23 4325
24 4901
25 5526
26 6202
27 6931
28 7715
29 8556
30 9456
31 10417
32 11441
33 12530
34 13686
35 14911
36 16207
37 17576
38 19020
39 20541
40 22141
41 23822

[1,2,6,15,31,56,92,141,205,286,386,507,651,820,
 1016,1241,1497,1786,2110,2471,2871,3312,3796,4325,
 4901,5526,6202,6931,7715,8556,9456,10417,11441,
 12530,13686,14911,16207,17576,19020,20541,22141,
 23822]

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Last modified July 22 05:47 EDT 2019. Contains 325213 sequences. (Running on oeis4.)