A017290 - OEIS

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A017290 as a simple table

n	a(n)
0	1
1	25937424601
2	16679880978201
3	819628286980801
4	13422659310152401
5	119042423827613001
6	713342911662882601
7	3255243551009881201
8	12157665459056928801
9	38941611811810745401
10	110462212541120451001

[1,25937424601,16679880978201,819628286980801, 13422659310152401,119042423827613001, 713342911662882601,3255243551009881201, 12157665459056928801,38941611811810745401, 110462212541120451001]