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A050927 as a simple table

n a(n)
0 1
1 2
2 10
3 31
4 90
5 222
6 520
7 1090
8 2180
9 4090
10 7356
11 12660
12 21105
13 34020
14 53460
15 81891
16 122826
17 180510
18 260746
19 370370
20 518518
21 715870
22 976170
23 1315470
24 1753975
25 2314936
26 3027224
27 3923845
28 5044920
29 6436200
30 8152542
31 10255896

[1,2,10,31,90,222,520,1090,2180,4090,7356,12660,
 21105,34020,53460,81891,122826,180510,260746,
 370370,518518,715870,976170,1315470,1753975,
 2314936,3027224,3923845,5044920,6436200,8152542,
 10255896]

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Last modified June 7 11:44 EDT 2024. Contains 373173 sequences. (Running on oeis4.)