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A177239 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 1
5 2
6 4
7 6
8 9
9 13
10 18
11 24
12 31
13 39
14 49
15 60
16 73
17 87
18 103
19 121
20 141
21 163
22 187
23 213
24 242
25 273
26 307
27 343
28 382
29 424
30 469
31 517
32 568
33 622
34 680
35 741
36 806
37 874
38 946
39 1022
40 1102
41 1186
42 1274
43 1366
44 1463
45 1564
46 1670
47 1780
48 1895
49 2015
50 2140

[0,0,0,0,1,2,4,6,9,13,18,24,31,39,49,60,73,87,103,
 121,141,163,187,213,242,273,307,343,382,424,469,
 517,568,622,680,741,806,874,946,1022,1102,1186,
 1274,1366,1463,1564,1670,1780,1895,2015,2140]

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Last modified April 19 16:08 EDT 2024. Contains 371794 sequences. (Running on oeis4.)