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A305644 as a simple table

n a(n)
1 3
2 9
3 13
4 31
5 79
6 168
7 430
8 1241
9 3577
10 10976
11 35220
12 115104
13 382846
14 1287463
15 4355297
16 14794917
17 50378019
18 171779607
19 586281739
20 2002004862
21 6838403076
22 23363178277
23 79828543393
24 272780054792
25 932149927652
26 3185441895514

[3,9,13,31,79,168,430,1241,3577,10976,35220,
 115104,382846,1287463,4355297,14794917,50378019,
 171779607,586281739,2002004862,6838403076,
 23363178277,79828543393,272780054792,932149927652,
 3185441895514]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)