A284578 a(n) = A059895(A260443(n), A260443(1+n)).

1, 1, 3, 1, 1, 1, 15, 1, 1, 1, 3, 5, 1, 1, 105, 1, 1, 7, 75, 5, 5, 125, 525, 7, 7, 25, 75, 35, 1, 1, 1155, 1, 1, 77, 75, 245, 5, 35, 147, 1, 1, 30625, 13125, 7, 245, 245, 40425, 11, 11, 13475, 1029, 245, 245, 1715, 1617, 11, 77, 1225, 3675, 385, 1, 1, 15015, 1, 1, 1001, 75, 245, 2695, 1715, 3, 1, 7, 48125, 7203, 1, 35, 300125, 363, 1, 1, 75625

Offset: 0

Author

Antti Karttunen, Apr 11 2017

Keywords

• nonn

Links

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

Crossrefs

Cf. A000196, A059895, A260443, A277324, A284576, A284577, A285108.

Programs

Scheme

(define (A284578 n) (A059895bi (A260443 n) (A260443 (+ 1 n)))) ;; For A059895bi, see A059895.

Formula

a(n) = A059895(A260443(n), A260443(1+n)).

a(n) = A277324(n) / A284576(n) = A000196(A277324(n)/A284577(n)).

a(n) = A284576(n) / A284577(n).

A001222(a(n)) = A285108(n).