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A219288 as a simple table

n a(n)
1 5
2 12
3 79
4 423
5 1751
6 6546
7 22970
8 76311
9 240506
10 721669
11 2070006
12 5692328
13 15039421
14 38255848
15 93891578
16 222815518
17 512310486
18 1143423966
19 2481561322
20 5245536144
21 10815752321
22 21783909864
23 42913710064
24 82788030040
25 156582776591

[5,12,79,423,1751,6546,22970,76311,240506,721669,
 2070006,5692328,15039421,38255848,93891578,
 222815518,512310486,1143423966,2481561322,
 5245536144,10815752321,21783909864,42913710064,
 82788030040,156582776591]

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Last modified January 18 02:38 EST 2022. Contains 350410 sequences. (Running on oeis4.)