A236037 - OEIS

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A236037 as a simple table

n	a(n)
1	256
2	2404
3	22994
4	218568
5	2089160
6	19942272
7	190367530
8	1816294128
9	17335318922
10	165440670368
11	1578998735732
12	15069102332776
13	143817863303654
14	1372548635240096
15	13099384602990930
16	125016639614921288

[256,2404,22994,218568,2089160,19942272,190367530, 1816294128,17335318922,165440670368,1578998735732, 15069102332776,143817863303654,1372548635240096, 13099384602990930,125016639614921288]