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A020995 as a simple table

n a(n)
1 0
2 1
3 5
4 10
5 31
6 35
7 62
8 72
9 175
10 180
11 216
12 251
13 252
14 360
15 494
16 504
17 540
18 946
19 1188
20 2222

[0,1,5,10,31,35,62,72,175,180,216,251,252,360,494,
 504,540,946,1188,2222]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)