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A090666 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 2
5 3
6 7
7 11
8 18
9 26
10 36
11 48
12 63
13 79
14 99
15 121
16 146
17 174
18 206
19 240
20 279
21 321
22 367
23 417
24 472
25 530
26 594
27 662
28 735
29 813
30 897 

[0,0,0,0,2,3,7,11,18,26,36,48,63,79,99,121,146,
 174,206,240,279,321,367,417,472,530,594,662,735,
 813,897]

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Last modified May 10 05:27 EDT 2024. Contains 372356 sequences. (Running on oeis4.)