A252740 First quotients of A252738: a(0) = 1; for n >= 1, a(n) = A252738(n) / A252738(n-1).

1, 2, 6, 180, 1134000, 3465651420000000, 356414438712215830124178000000000000000, 1311750338118625705168608107387873609070899443110750355586669940000000000000000000000000000000

Offset

0,2

Links

Table of n, a(n) for n=0..7.

Formula

a(0) = 1; for n >= 1, a(n) = A252738(n) / A252738(n-1).

Prog

(Scheme) (define (A252740 n) (if (zero? n) 1 (/ (A252738 n) (A252738 (- n 1)))))

Crossrefs

Cf. A252738, A252739, A163511.

Sequence in context: A072116 A203430 A298883 * A055696 A158096 A345726

Adjacent sequences: A252737 A252738 A252739 * A252741 A252742 A252743

Keyword

nonn

Author

Antti Karttunen, Dec 21 2014

Status

approved