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A049181 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 17
9 73
10 241
11 661
12 1585
13 3461
14 7285
15 16231
16 41921
17 124577
18 389233
19 1186617
20 3423201
21 9327801
22 24355849
23 62489483
24 162336209
25 437155705
26 1226390417
27 3534342301
28 10244919841
29 29383388701
30 82792942045

[1,1,1,1,1,1,3,17,73,241,661,1585,3461,7285,16231,
 41921,124577,389233,1186617,3423201,9327801,
 24355849,62489483,162336209,437155705,1226390417,
 3534342301,10244919841,29383388701,82792942045]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)