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A001353 as a simple table

n a(n)
0 0
1 1
2 4
3 15
4 56
5 209
6 780
7 2911
8 10864
9 40545
10 151316
11 564719
12 2107560
13 7865521
14 29354524
15 109552575
16 408855776
17 1525870529
18 5694626340
19 21252634831
20 79315912984
21 296011017105
22 1104728155436
23 4122901604639
24 15386878263120
25 57424611447841
26 214311567528244

[0,1,4,15,56,209,780,2911,10864,40545,151316,
 564719,2107560,7865521,29354524,109552575,
 408855776,1525870529,5694626340,21252634831,
 79315912984,296011017105,1104728155436,
 4122901604639,15386878263120,57424611447841,
 214311567528244]

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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)