A316875 - OEIS

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A316875 as a simple table

n	a(n)
1	64
2	1709
3	36900
4	871345
5	19933839
6	486546897
7	11836970493
8	286716424150
9	6977675255288
10	170015938697302
11	4138167646465313
12	100724821265896610
13	2452502487475584970
14	59712288213161682740
15	1453740520399913939989

[64,1709,36900,871345,19933839,486546897, 11836970493,286716424150,6977675255288, 170015938697302,4138167646465313, 100724821265896610,2452502487475584970, 59712288213161682740,1453740520399913939989]