A084515 Partial sums of A084516.

0, 1, 3, 6, 9, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 69, 74, 79, 84, 89, 94, 99, 104, 109, 114, 119, 124, 129, 134, 139, 144, 149, 154, 159, 164, 169, 174, 179, 184, 189, 194, 199, 204, 209, 214, 219, 224, 229, 234, 239, 244, 249, 254, 259, 264, 269

Offset

0,3

Comments

For n>=1, (a(n-1)+1,a(n)) = (1,1),(2,3),(4,6),(7,9),(10,12),... gives the starting and ending offsets of the n-th site swap in the sequence A084511. Gives also the positions of 7s (ground states) in A084513.

Links

Table of n, a(n) for n=0..59.

A. Karttunen, Scheme-program for computing this sequence

Crossrefs

Differs from A084525 first time at the 18th term, where A084515(18) = 64, while A084525(18) = 65.

Cf. also A084505.

Sequence in context: A184906 A186156 A211267 * A084525 A130248 A203302

Adjacent sequences: A084512 A084513 A084514 * A084516 A084517 A084518

Keyword

nonn

Author

Antti Karttunen, Jun 02 2003

Status

approved