A189444 - OEIS

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A189444 as a simple table

n	a(n)
1	5
2	61
3	666
4	7300
5	80282
6	883049
7	9712873
8	106834338
9	1175098084
10	12925203122
11	142167601085
12	1563737653381
13	17199948722346
14	189186616701220
15	2080911781577162
16	22888478678939969
17	251756206521753553

[5,61,666,7300,80282,883049,9712873,106834338, 1175098084,12925203122,142167601085,1563737653381, 17199948722346,189186616701220,2080911781577162, 22888478678939969,251756206521753553]