A292777 First differences of A100290.

1, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 2, 3, 3, 4, 2, 1, 1, 1, 2, 1, 6, 3, 3, 1, 7, 4, 2, 1, 1, 2, 4, 2, 3, 9, 6, 3, 3, 2, 7, 7, 8, 4, 2, 1, 1, 1, 3, 1, 2, 5, 4, 6, 5, 6, 4, 3, 12, 6, 3, 3, 3, 1

Offset

1,4

Links

Robert Israel, Table of n, a(n) for n = 1..10000

Rémy Sigrist, Scatterplot of the first 10000 terms of the first difference of A100290

Maple

filter:= n -> evalb(n mod (2^numboccur(1, convert(n, base, 2))-1) = 0):
A100290:= select(filter, [$1..1000]):
A100290[2..-1]-A100290[1..-2]; # Robert Israel, Oct 08 2017

Crossrefs

Cf. A100290.

Sequence in context: A038538 A293515 A326622 * A088529 A267116 A136565

Adjacent sequences: A292774 A292775 A292776 * A292778 A292779 A292780

Keyword

nonn

Author

N. J. A. Sloane, Oct 08 2017

Status

approved