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A125305 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 18
5 57
6 190
7 654
8 2306
9 8290
10 30272
11 111973
12 418666
13 1579803
14 6008464
15 23009240
16 88645034
17 343334976
18 1336105472
19 5221667740
20 20485272152
21 80645855014
22 318489386884
23 1261428593649
24 5009356014722
25 19941674099985

[1,1,2,6,18,57,190,654,2306,8290,30272,111973,
 418666,1579803,6008464,23009240,88645034,
 343334976,1336105472,5221667740,20485272152,
 80645855014,318489386884,1261428593649,
 5009356014722,19941674099985]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)