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A258087 as a simple table

n a(n)
0 0
1 0
2 1
3 3
4 6
5 9
6 14
7 18
8 25
9 30
10 39
11 45
12 56
13 63
14 76
15 84
16 99
17 108
18 125
19 135
20 154
21 165
22 186
23 198
24 221
25 234
26 259
27 273
28 300
29 315
30 344
31 360
32 391
33 408
34 441
35 459
36 494
37 513
38 550
39 570
40 609
41 630
42 671
43 693
44 736
45 759
46 804
47 828
48 875
49 900
50 949
51 975
52 1026
53 1053
54 1106
55 1134

[0,0,1,3,6,9,14,18,25,30,39,45,56,63,76,84,99,108,
 125,135,154,165,186,198,221,234,259,273,300,315,
 344,360,391,408,441,459,494,513,550,570,609,630,
 671,693,736,759,804,828,875,900,949,975,1026,1053,
 1106,1134]

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Last modified April 25 13:27 EDT 2024. Contains 371971 sequences. (Running on oeis4.)