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A279340 First differences of A055938. 2
3, 1, 3, 3, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 3, 3, 1, 3, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..8191

FORMULA

a(n) = A055938(1+n) - A055938(n).

MATHEMATICA

Differences@ Complement[Range@ Last@ #, #] &@ Table[IntegerExponent[(2 n)!, 2], {n, 0, 120}] (* Michael De Vlieger, Mar 15 2017, after Jean-Fran├žois Alcover at A055938 *)

PROG

(Scheme) (define (A279340 n) (- (A055938 (+ 1 n)) (A055938 n)))

CROSSREFS

Cf. A007814, A055938, A079559, A279353.

Sequence in context: A124814 A122567 A122431 * A089607 A216637 A234308

Adjacent sequences:  A279337 A279338 A279339 * A279341 A279342 A279343

KEYWORD

nonn

AUTHOR

Antti Karttunen, Mar 15 2017

STATUS

approved

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Last modified August 14 19:42 EDT 2020. Contains 336483 sequences. (Running on oeis4.)