A261235 First differences of A261234.

1, 3, 7, 17, 45, 122, 334, 915, 2511, 6906, 19039, 52691, 146641, 410734, 1157321, 3276419, 9307640, 26509145, 75669108, 216483760, 620847130, 1784898316, 5143127022, 14847548759, 42923323624, 124213679008, 359730306331, 1042521363580, 3023562595587, 8776718908896, 25502164336020, 74179903571807, 216005883269160, 629644927525768, 1837129499003121, 5364782084798156

Offset: 0

Author

Antti Karttunen, Aug 13 2015

Keywords

• nonn

Crossrefs

Cf. A261234.

Cf. also A226060.

Programs

Scheme

(define (A261235 n) (- (A261234 (+ 1 n)) (A261234 n)))

Formula

a(n) = A261234(n+1) - A261234(n).

Extensions

Terms from a(23) onward computed from the output of Hiroaki Yamanouchi's program (given in A261234) by Antti Karttunen, Aug 16 2015