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Search: id:A084515
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A084515 Partial sums of A084516. +0
6
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 (list; graph; listen)
OFFSET

0,3

COMMENT

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

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.

Adjacent sequences: A084512 A084513 A084514 this_sequence A084516 A084517 A084518

Sequence in context: A135943 A060293 A123581 this_sequence A084525 A130248 A072567

KEYWORD

nonn

AUTHOR

Antti Karttunen (my_firstname.my_surname(AT)iki.fi) Jun 02 2003

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Last modified October 15 20:12 EDT 2008. Contains 145099 sequences.


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