A041792 - OEIS

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A041792 as a simple table

n	a(n)
0	20
1	41
2	102
3	143
4	245
5	388
6	2185
7	9128
8	11313
9	144884
10	156197
11	769672
12	4004557
13	4774229
14	8778786
15	13553015
16	35884816
17	85322647
18	3448790696
19	6982904039
20	17414598774
21	24397502813
22	41812101587
23	66209604400

[20,41,102,143,245,388,2185,9128,11313,144884, 156197,769672,4004557,4774229,8778786,13553015, 35884816,85322647,3448790696,6982904039, 17414598774,24397502813,41812101587,66209604400]