A281121 a(n) = gcd(A281120(n), A281120(2n)).

2, 2, 3, 2, 5, 3, 7, 2, 10, 3, 11, 12, 13, 14, 2, 2, 17, 4, 19, 21, 22, 3, 23, 24, 25, 2, 3, 28, 29, 30, 31, 32, 2, 17, 35, 36, 37, 38, 39, 2, 2, 4, 41, 45, 43, 46, 47, 48, 49, 50, 2, 2, 53, 3, 55, 56, 2, 29, 59, 60, 61, 62, 63, 64, 5, 66, 67, 2, 3, 70, 71, 72

Offset

1,1

Comments

All terms are strictly greater than 1.

Links

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A281120.

Sequence in context: A327667 A256267 A307687 * A382129 A378744 A394188

Adjacent sequences: A281118 A281119 A281120 * A281122 A281123 A281124

Keyword

nonn

Author

Rémy Sigrist, Jan 15 2017

Status

approved