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A151737 First differences of A151735 (starting at A151735(2)). 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 (list; graph; refs; listen; history; text; internal format)
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 A249548 A014650

Adjacent sequences:  A151734 A151735 A151736 * A151738 A151739 A151740

KEYWORD

nonn,tabf

AUTHOR

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

STATUS

approved

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Last modified August 4 09:03 EDT 2020. Contains 336201 sequences. (Running on oeis4.)