A134408 First differences of A006336.

1, 1, 2, 3, 3, 5, 5, 8, 11, 11, 16, 21, 21, 29, 29, 40, 51, 51, 67, 67, 88, 109, 109, 138, 167, 167, 207, 207, 258, 309, 309, 376, 443, 443, 531, 531, 640, 749, 749, 887, 887, 1054, 1221, 1221, 1428, 1635, 1635, 1893, 1893, 2202, 2511, 2511, 2887, 2887, 3330, 3773

Offset

1,3

Comments

a(n) = A006336(n+1) - A006336(n);

a(n+1) - a(n) = A134409(n).

Links

Table of n, a(n) for n=1..56.

Crossrefs

Sequence in context: A290369 A087153 A240176 * A051032 A106530 A273156

Adjacent sequences: A134405 A134406 A134407 * A134409 A134410 A134411

Keyword

nonn

Author

Reinhard Zumkeller, Oct 24 2007

Status

approved