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A045931 as a simple table

n a(n)
0 1
1 0
2 0
3 1
4 0
5 2
6 1
7 3
8 2
9 5
10 5
11 7
12 9
13 11
14 16
15 18
16 25
17 28
18 41
19 44
20 62
21 70
22 94
23 107
24 140
25 163
26 207
27 245
28 302
29 361
30 440
31 527
32 632
33 763
34 904
35 1090
36 1285
37 1544
38 1812
39 2173
40 2539
41 3031
42 3538
43 4202
44 4896
45 5793
46 6736
47 7934
48 9221
49 10811
50 12549
51 14661
52 16994
53 19780

[1,0,0,1,0,2,1,3,2,5,5,7,9,11,16,18,25,28,41,44,
 62,70,94,107,140,163,207,245,302,361,440,527,632,
 763,904,1090,1285,1544,1812,2173,2539,3031,3538,
 4202,4896,5793,6736,7934,9221,10811,12549,14661,
 16994,19780]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)