A264283 - OEIS

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A264283 as a simple table

n	a(n)
1	69
2	1228
3	23852
4	448821
5	8405669
6	157344756
7	2943284092
8	55051679668
9	1029653214581
10	19257696830753
11	360177074785951
12	6736389525457738
13	125990593920680631
14	2356399915372788509
15	44071705305977748721

[69,1228,23852,448821,8405669,157344756, 2943284092,55051679668,1029653214581, 19257696830753,360177074785951,6736389525457738, 125990593920680631,2356399915372788509, 44071705305977748721]