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A149476 as a simple table

n a(n)
0 1
1 1
2 4
3 13
4 56
5 226
6 993
7 4387
8 19921
9 91299
10 424146
11 1984585
12 9359316
13 44377511
14 211482643
15 1011882904
16 4858879581
17 23401436915
18 113006754137
19 546971963058
20 2652858824592
21 12889882826150
22 62731663049380
23 305741726340137
24 1492077885605746
25 7290260353306069
26 35658493834967239
27 174586407858085867

[1,1,4,13,56,226,993,4387,19921,91299,424146,
 1984585,9359316,44377511,211482643,1011882904,
 4858879581,23401436915,113006754137,546971963058,
 2652858824592,12889882826150,62731663049380,
 305741726340137,1492077885605746,7290260353306069,
 35658493834967239,174586407858085867]

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Last modified June 19 23:45 EDT 2024. Contains 373510 sequences. (Running on oeis4.)