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A255508 as a simple table

n a(n)
1 1
2 3
3 6
4 7
5 10
6 15
7 21
8 28
9 36
10 37
11 40
12 45
13 55
14 66
15 78
16 91
17 105
18 120
19 121
20 124
21 129
22 136
23 153
24 171
25 190
26 210
27 231
28 253
29 276
30 300
31 301
32 304
33 309
34 316
35 325
36 351
37 378
38 406
39 435
40 465
41 496
42 528
43 561
44 595
45 630
46 631
47 634
48 639
49 646
50 655
51 666
52 703
53 741
54 780
55 820
56 861

[1,3,6,7,10,15,21,28,36,37,40,45,55,66,78,91,105,
 120,121,124,129,136,153,171,190,210,231,253,276,
 300,301,304,309,316,325,351,378,406,435,465,496,
 528,561,595,630,631,634,639,646,655,666,703,741,
 780,820,861]

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