A254190 - OEIS

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A254190 as a simple table

n	a(n)
1	2908
2	20380
3	142088
4	968448
5	6170408
6	38010356
7	230428580
8	1379065312
9	8200183208
10	48612204096
11	287661718172
12	1700575224676
13	10048259876552
14	59355846879096
15	350565196760824
16	2070321802480816
17	12226077048805764

[2908,20380,142088,968448,6170408,38010356, 230428580,1379065312,8200183208,48612204096, 287661718172,1700575224676,10048259876552, 59355846879096,350565196760824,2070321802480816, 12226077048805764]