A151737 First differences of A151735 (starting at A151735(2)).

1, 2, 1, 5, 1, 5, 5, 11, 1, 5, 5, 11, 7, 15, 19, 23, 1, 5, 5, 11, 7, 15, 19, 23, 7, 15, 21, 29, 29, 49, 59, 47, 1, 5, 5, 11, 7, 15, 19, 23, 7, 15, 21, 29, 29, 49, 59, 47, 7, 15, 21, 29, 29, 49, 61, 53, 29, 51, 71, 87, 107, 157, 163, 95, 1, 5, 5, 11, 7, 15, 19, 23, 7, 15, 21, 29, 29, 49, 59, 47

Offset

0,2

Links

Table of n, a(n) for n=0..79.

Example

If written as a triangle,
1,
2,
1,5,
1,5,5,11,
1,5,5,11,7,15,19,23,
1,5,5,11,7,15,19,23,7,15,21,29,29,49,59,47,
1,5,5,11,7,15,19,23,7,15,21,29,29,49,59,...
the rows approach A151728.

Crossrefs

Cf. A151735, A151728.

Sequence in context: A014652 A060448 A090080 * A211361 A347464 A249548

Adjacent sequences: A151734 A151735 A151736 * A151738 A151739 A151740

Keyword

nonn,tabf

Author

N. J. A. Sloane, Jun 15 2009, Jun 16 2009

Status

approved