A124899 - cp's OEIS frontend

A124899 Sierpinski quotient ((2n-1)^(2n-1) + 1)/(2n) = A014566(2n-1)/(2n).

n	a(n)
1	1
2	7
3	521
4	102943
5	38742049
6	23775972551
7	21633936185161
8	27368368148803711
9	45957792327018709121
10	98920982783015679456199
11	265572137199362841880960201
12	870019499993663001431459704607
13	3416070845000481662841943594125601

[1, 7, 521, 102943, 38742049, 23775972551, 21633936185161, 27368368148803711, 45957792327018709121, 98920982783015679456199, 265572137199362841880960201, 870019499993663001431459704607, 3416070845000481662841943594125601]

cp's OEIS Frontend

A124899 Sierpinski quotient ((2n-1)^(2n-1) + 1)/(2n) = A014566(2n-1)/(2n).

Table of values

List of values