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A056276 as a simple table

n a(n)
1 1
2 1
3 4
4 13
5 51
6 196
7 854
8 3830
9 17997
10 86419
11 422004
12 2079260
13 10306751
14 51263086
15 255514299
16 1275160060
17 6368612301
18 31821454413
19 159042661904
20 795019250650
21 3974515029793
22 19870830290476
23 99348921288654
24 496728909635860
25 2483597478617750
26 12417846151236799

[1,1,4,13,51,196,854,3830,17997,86419,422004,
 2079260,10306751,51263086,255514299,1275160060,
 6368612301,31821454413,159042661904,795019250650,
 3974515029793,19870830290476,99348921288654,
 496728909635860,2483597478617750,
 12417846151236799]

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Last modified March 29 05:16 EDT 2024. Contains 371264 sequences. (Running on oeis4.)