A279286 - OEIS

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A279286 as a simple table

n	a(n)
1	1
2	2
3	7
4	15
5	52
6	102
7	296
8	371
9	455
10	929
11	1853
12	2034
13	4517
14	4797
15	5829
16	6146
17	6948
18	17577
19	18915
20	60349
21	78369
22	85171
23	123788
24	128596
25	415355
26	906771
27	1308771
28	3329668

[1,2,7,15,52,102,296,371,455,929,1853,2034,4517, 4797,5829,6146,6948,17577,18915,60349,78369,85171, 123788,128596,415355,906771,1308771,3329668]