A244931 - OEIS

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A244931 as a simple table

n	a(n)
1	19
2	37
3	223
4	409
5	53617
6	23757289
7	3111662089
8	407556643177
9	1372675688565303822697
10	23548271681390871672120649
11	1676892190264006259992141409
12	64923481849284379431377700019

[19,37,223,409,53617,23757289,3111662089, 407556643177,1372675688565303822697, 23548271681390871672120649, 1676892190264006259992141409, 64923481849284379431377700019]