A042442 - OEIS

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A042442 as a simple table

n	a(n)
0	27
1	55
2	82
3	219
4	301
5	520
6	2381
7	5282
8	7663
9	12945
10	175948
11	1772425
12	1948373
13	13462663
14	15411036
15	167573023
16	2193860335
17	2361433358
18	4555293693
19	11472020744
20	50443376669
21	61915397413
22	112358774082

[27,55,82,219,301,520,2381,5282,7663,12945,175948, 1772425,1948373,13462663,15411036,167573023, 2193860335,2361433358,4555293693,11472020744, 50443376669,61915397413,112358774082]