A042388 - OEIS

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A042388 as a simple table

n	a(n)
0	26
1	27
2	161
3	188
4	537
5	725
6	1987
7	2712
8	4699
9	7411
10	12110
11	19521
12	31631
13	557248
14	1703375
15	2260623
16	3963998
17	41900603
18	213467013
19	255367616
20	1745672709
21	2001040325
22	11750874334
23	119509783665

[26,27,161,188,537,725,1987,2712,4699,7411,12110, 19521,31631,557248,1703375,2260623,3963998, 41900603,213467013,255367616,1745672709, 2001040325,11750874334,119509783665]