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A211267 as a simple table

n a(n)
1 0
2 1
3 3
4 6
5 9
6 12
7 16
8 20
9 23
10 28
11 32
12 37
13 40
14 46
15 51
16 56
17 60
18 65
19 71
20 77
21 81
22 87
23 91
24 99
25 103
26 109
27 115
28 121
29 125
30 133
31 138
32 145
33 150
34 156
35 163
36 169
37 174
38 181
39 187
40 196
41 199
42 207
43 212
44 220
45 226
46 232
47 239
48 247
49 252
50 259
51 265
52 274
53 277
54 287
55 293
56 301
57 307

[0,1,3,6,9,12,16,20,23,28,32,37,40,46,51,56,60,65,
 71,77,81,87,91,99,103,109,115,121,125,133,138,145,
 150,156,163,169,174,181,187,196,199,207,212,220,
 226,232,239,247,252,259,265,274,277,287,293,301,
 307]

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Last modified April 24 16:52 EDT 2024. Contains 371962 sequences. (Running on oeis4.)