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A140951 Based on Jacobsthal numbers. Increasing order of different positive terms of A140950. 1
1, 3, 5, 6, 10, 11, 12, 20, 21, 22, 24, 40, 42, 43, 44, 48, 80, 84, 85, 86, 88, 96, 160, 168, 170, 171, 172, 176, 192, 320, 336, 340, 341, 342, 344, 352, 384, 640 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Two possibilities of triangle on line. 1) From 1: 1; 3, 5; 6, 10, 11; 12, 20, 21, 22; 24, 40, 42, 43, 44; . 2) After 1: 3; 5, 6; 10, 11, 12; 20, 21, 22, 24; .

LINKS

Table of n, a(n) for n=0..37.

FORMULA

Also A140642 (1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 16, 20) without A000079(n+1). Note position of A001045(n+2) terms: 0, 1, 2, 5, 8, 13 =A000982. See A140503 square .

CROSSREFS

Sequence in context: A065512 A066147 A175304 * A190243 A187127 A187126

Adjacent sequences:  A140948 A140949 A140950 * A140952 A140953 A140954

KEYWORD

nonn,uned

AUTHOR

Paul Curtz, Jul 25 2008

STATUS

approved

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Last modified April 9 20:11 EDT 2020. Contains 333362 sequences. (Running on oeis4.)