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A303968 as a simple table

n a(n)
1 21
2 237
3 186
4 842
5 2247
6 6264
7 15517
8 40239
9 101894
10 275913
11 742329
12 1970215
13 5207495
14 13783510
15 36338058
16 96289588
17 255453841
18 676717260
19 1792458697
20 4748791014
21 12573506308
22 33301968773
23 88224464420
24 233692020122

[21,237,186,842,2247,6264,15517,40239,101894,
 275913,742329,1970215,5207495,13783510,36338058,
 96289588,255453841,676717260,1792458697,
 4748791014,12573506308,33301968773,88224464420,
 233692020122]

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Last modified April 19 10:38 EDT 2024. Contains 371791 sequences. (Running on oeis4.)