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A094297 as a simple table

n a(n)
1 1
2 3
3 7
4 18
5 46
6 120
7 316
8 840
9 2248
10 6048
11 16336
12 44256
13 120160
14 326784
15 889792
16 2424960
17 6613120
18 18043392
19 49247488
20 134450688
21 367134208
22 1002645504
23 2738510848
24 7480215552
25 20433258496
26 55818559488
27 152486858752

[1,3,7,18,46,120,316,840,2248,6048,16336,44256,
 120160,326784,889792,2424960,6613120,18043392,
 49247488,134450688,367134208,1002645504,
 2738510848,7480215552,20433258496,55818559488,
 152486858752]

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Last modified March 28 14:21 EDT 2024. Contains 371254 sequences. (Running on oeis4.)