A041642 - OEIS

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A041642 as a simple table

n	a(n)
0	18
1	37
2	129
3	166
4	295
5	461
6	756
7	6509
8	7265
9	13774
10	21039
11	34813
12	125478
13	285769
14	10413162
15	21112093
16	73749441
17	94861534
18	168610975
19	263472509
20	432083484
21	3720140381
22	4152223865
23	7872364246
24	12024588111

[18,37,129,166,295,461,756,6509,7265,13774,21039, 34813,125478,285769,10413162,21112093,73749441, 94861534,168610975,263472509,432083484,3720140381, 4152223865,7872364246,12024588111]