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A252939
First differences of A252912.
4
21, 1, 64, 1, 20, 9, 2, 6, 2, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 176, 456, 110, 265, 216, 595, 4, 107, 433, 723, 252, 75, 432, 51, 298, 2405, 780, 431, 866, 78, 135, 723, 29, 842, 224, 5, 467, 672
OFFSET
1,1
LINKS
PROG
(Haskell)
a252939 n = a252939_list !! (n-1)
a252939_list = zipWith (-) (tail a252912_list) a252912_list
CROSSREFS
Cf. A252912, A252940 (run lengths).
Sequence in context: A040460 A040461 A260531 * A132166 A092083 A040435
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Dec 25 2014
STATUS
approved