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URL: https://oeis.org/A252740

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A252740

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

4

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

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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 A380475 A158096

Adjacent sequences: A252737 A252738 A252739 * A252741 A252742 A252743

KEYWORD

nonn

AUTHOR

Antti Karttunen, Dec 21 2014

STATUS

approved