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A173690 as a simple table

n a(n)
0 0
1 0
2 1
3 3
4 6
5 11
6 18
7 28
8 41
9 57
10 77
11 101
12 130
13 164
14 203
15 248
16 299
17 357
18 422
19 494
20 574
21 662
22 759
23 865
24 980
25 1105
26 1240
27 1386
28 1543
29 1711
30 1891
31 2083
32 2288
33 2506
34 2737
35 2982
36 3241
37 3515
38 3804
39 4108
40 4428
41 4764
42 5117
43 5487
44 5874
45 6279
46 6702
47 7144
48 7605
49 8085
50 8585

[0,0,1,3,6,11,18,28,41,57,77,101,130,164,203,248,
 299,357,422,494,574,662,759,865,980,1105,1240,
 1386,1543,1711,1891,2083,2288,2506,2737,2982,3241,
 3515,3804,4108,4428,4764,5117,5487,5874,6279,6702,
 7144,7605,8085,8585]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)