A253250 First differences of A049880.

2, 3, 4, 3, 4, 4, 4, 4, 6, 4, 6, 5, 4, 5, 4, 7, 5, 6, 5, 5, 6, 5, 7, 5, 5, 6, 5, 5, 8, 5, 6, 8, 6, 7, 6, 6, 8, 5, 6, 7, 5, 6, 6, 6, 6, 7, 9, 5, 8, 5, 6, 7, 6, 5, 4, 9, 9, 6, 6, 6, 8, 8, 6, 6, 10, 5, 8, 9, 9, 7, 8, 5, 6, 8, 5, 8, 8, 7, 9, 8, 6, 6, 7, 8, 7, 8, 5, 6, 7, 6, 8, 6, 8, 5, 8, 5, 8, 10, 9, 11, 8, 6

Offset

1,1

Comments

For the first 1000 terms, the largest value is 17 for a(m) with m = (298, 711, 874, 940, 946, 991).

Links

Zak Seidov, Table of n, a(n) for n = 1..1000

Formula

a(n) = A049880(n+2) - A049880(n+1) (note offset = 2 in A049880).

Crossrefs

Cf. A000040, A049880, A049881, A049882.

Sequence in context: A030384 A067349 A108414 * A097477 A059572 A031249

Adjacent sequences: A253247 A253248 A253249 * A253251 A253252 A253253

Keyword

nonn

Author

Zak Seidov, Jun 05 2015

Status

approved