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A304664 as a simple table

n a(n)
1 3
2 9
3 13
4 30
5 66
6 123
7 252
8 535
9 1074
10 2194
11 4530
12 9231
13 18873
14 38722
15 79180
16 161992
17 331766
18 678927
19 1389398
20 2844206
21 5821252
22 11914196
23 24386446
24 49913147
25 102159115
26 209097391
27 427973147
28 875956927
29 1792880557
30 3669604702

[3,9,13,30,66,123,252,535,1074,2194,4530,9231,
 18873,38722,79180,161992,331766,678927,1389398,
 2844206,5821252,11914196,24386446,49913147,
 102159115,209097391,427973147,875956927,
 1792880557,3669604702]

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Last modified March 28 11:46 EDT 2024. Contains 371241 sequences. (Running on oeis4.)