A284577 - OEIS

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A284577

a(n) = A059897(A260443(n), A260443(1+n)).

2, 6, 2, 30, 90, 270, 2, 210, 630, 6750, 2250, 378, 15750, 47250, 2, 2310, 6930, 6750, 630, 66150, 198450, 3402, 90, 14850, 24750, 92610, 30870, 14850, 8489250, 25467750, 2, 30030, 90090, 6750, 339570, 14850, 382016250, 372093750, 9843750, 1400726250, 4202178750, 3402, 198450, 20465156250, 7796250, 83531250, 90, 859950, 1433250, 1890

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OFFSET

0,1

LINKS

Antti Karttunen, Table of n, a(n) for n = 0..1024

FORMULA

a(n) = A059897(A260443(n), A260443(1+n)).

a(n) = A277324(n) / A000290(A284578(n)).

A001222(a(n)) = A285107(n).

PROG

(Scheme) (define (A284577 n) (A059897bi (A260443 n) (A260443 (+ 1 n)))) ;; For A059897bi, see A059897.

CROSSREFS