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A005178 formatted as a simple table:

n a(n)
0 0
1 1
2 1
3 5
4 11
5 36
6 95
7 281
8 781
9 2245
10 6336
11 18061
12 51205
13 145601
14 413351
15 1174500
16 3335651
17 9475901
18 26915305
19 76455961
20 217172736
21 616891945
22 1752296281
23 4977472781
24 14138673395
25 40161441636
26 114079985111
27 324048393905

[0,1,1,5,11,36,95,281,781,2245,6336,18061,51205,
 145601,413351,1174500,3335651,9475901,26915305,
 76455961,217172736,616891945,1752296281,
 4977472781,14138673395,40161441636,114079985111,
 324048393905]

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


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