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A075640 as a simple table

n a(n)
1 1
2 9
3 21
4 70
5 185
6 354
7 625
8 1012
9 1555
10 2250
11 3125
12 4284
13 5627
14 7252
15 9205
16 11378
17 14075
18 17122
19 20385
20 24386
21 28805
22 33582
23 38741
24 45026
25 51641
26 58952
27 66609
28 75384
29 84217
30 95020
31 106021
32 117168
33 129669
34 143050
35 157873
36 173506
37 189683

[1,9,21,70,185,354,625,1012,1555,2250,3125,4284,
 5627,7252,9205,11378,14075,17122,20385,24386,
 28805,33582,38741,45026,51641,58952,66609,75384,
 84217,95020,106021,117168,129669,143050,157873,
 173506,189683]

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Last modified June 10 15:18 EDT 2024. Contains 373272 sequences. (Running on oeis4.)