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A069907 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 1
7 1
8 2
9 3
10 4
11 6
12 9
13 12
14 16
15 22
16 28
17 37
18 46
19 59
20 71
21 91
22 107
23 134
24 157
25 193
26 222
27 271
28 308
29 371
30 419
31 499
32 559
33 661
34 734
35 860
36 952
37 1106
38 1216
39 1405
40 1537
41 1764
42 1923
43 2193
44 2381
45 2703
46 2923
47 3301
48 3561
49 4002
50 4302
51 4817
52 5164

[0,0,0,0,0,0,1,1,2,3,4,6,9,12,16,22,28,37,46,59,
 71,91,107,134,157,193,222,271,308,371,419,499,559,
 661,734,860,952,1106,1216,1405,1537,1764,1923,
 2193,2381,2703,2923,3301,3561,4002,4302,4817,5164]

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Last modified March 28 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)