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A253250
First differences of A049880.
4
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).
FORMULA
a(n) = A049880(n+2) - A049880(n+1) (note offset = 2 in A049880).
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Jun 05 2015
STATUS
approved