A218544 a(n) = A218784(n)+1.

1, 2, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 19, 23, 24, 26, 28, 31, 32, 34, 35, 36, 39, 40, 41, 43, 45, 48, 49, 51, 52, 53, 57, 59, 60, 66, 68, 70, 71, 73, 75, 78, 79, 81, 82, 83, 87, 89, 90, 96, 98, 99, 100, 102, 103, 109, 112, 115, 120, 122, 123, 124, 125

Offset

0,2

Comments

These terms are one more than the positions where the infinite trunk of beanstalk (A179016) changes its branching direction, i.e. where its parity changes.

Links

Antti Karttunen, Table of n, a(n) for n = 0..8649

Formula

a(1)=1 and in the later terms i occurs whenever A213729(i) differs from A213729(i-1).

Prog

(Scheme): (define (A218544 n) (1+ (A218784 n)))

Crossrefs

Cf. A218545, A218546, A218617.

Sequence in context: A039052 A047572 A003233 * A286045 A127032 A350396

Adjacent sequences: A218541 A218542 A218543 * A218545 A218546 A218547

Keyword

nonn

Author

Antti Karttunen, Nov 02 2012

Extensions

Offset and definition changed because of the changed starting offset of A213729. - Antti Karttunen, Nov 11 2012

Status

approved