A289274 - OEIS

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A289274 as a simple table

n	a(n)
1	46
2	284
3	1633
4	149728
5	242656
6	260495
7	298057
8	1056752
9	9587584
10	17706256
11	914429696
12	985501822
13	1074266048
14	1484820224
15	4241800921
16	12147056128
17	109548719577
18	287291764736
19	360499817799

[46,284,1633,149728,242656,260495,298057,1056752, 9587584,17706256,914429696,985501822,1074266048, 1484820224,4241800921,12147056128,109548719577, 287291764736,360499817799]