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A001353 formatted 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

[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]

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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