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A027972 as a simple table

n a(n)
5 1
6 4
7 11
8 29
9 76
10 199
11 518
12 1324
13 3278
14 7784
15 17643
16 38138
17 78753
18 155793
19 296248
20 543333
21 964239
22 1660748
23 2783499
24 4550843
25 7273394
26 11385571
27 17485634
28 26385946
29 39175444
30 57296576
31 82639259
32 117654736
33 165492559

[1,4,11,29,76,199,518,1324,3278,7784,17643,38138,
 78753,155793,296248,543333,964239,1660748,2783499,
 4550843,7273394,11385571,17485634,26385946,
 39175444,57296576,82639259,117654736,165492559]

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Last modified April 23 13:41 EDT 2024. Contains 371914 sequences. (Running on oeis4.)