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A308687 as a simple table

n a(n)
1 1
2 8
3 55
4 379
5 1891
6 2600
7 17821
8 64261
9 84680
10 122149
11 421849
12 837224
13 2183005
14 3950155
15 5738419
16 18883369
17 39331711
18 74157931
19 94070600
20 128629621
21 185381839
22 269583560
23 486268651
24 1847753209
25 2519186671
26 3192137000
27 4210906771
28 6000283981
29 8707689224
30 12664688905
31 20977322059
32 41089519729
33 85578188905
34 86805069128
35 195388310755
36 409067053471

[1,8,55,379,1891,2600,17821,64261,84680,122149,
 421849,837224,2183005,3950155,5738419,18883369,
 39331711,74157931,94070600,128629621,185381839,
 269583560,486268651,1847753209,2519186671,
 3192137000,4210906771,6000283981,8707689224,
 12664688905,20977322059,41089519729,85578188905,
 86805069128,195388310755,409067053471]

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Last modified August 18 22:11 EDT 2024. Contains 375284 sequences. (Running on oeis4.)