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A157140 2^n times A091411(n+2). +0
2
9, 19, 19, 47, 47, 47, 47, 98, 98, 98, 98, 98, 98, 98, 98, 220, 220, 220, 220, 220, 220, 220, 220, 220, 220, 220, 220, 220, 220, 220, 220, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441, 441 (list; graph; listen)
OFFSET

0,1

COMMENT

Fourth quadrisection of A156799 is 4,13,23,32,51,60,70,79,102,111,121,130,=submitted A156941. 1) A156941(n+1)-A156941(n)=9,10,9,19,9,10,9,23,9,10,9,19,=submitted A156948, 2) A156941(n+2)-A156941(n)=19,19,28,28,19,19,32,32,19,19,28,28,=submitted A156947, 3) A156941(n+4)-A156941(n)=47,47,47,47,51,51,51,51,47,47,47,47,=submitted A156949, 4)A156941(n+8)-A156941(n)=98,98,98,98,98,98,98,98,122,122,122,122,122,122,122,122,98, .. . Note 9+10=19,19+28=47,47+51=98,98+122=220: A090411=1,3,9,19,47,98,220, lengths of B blocks in analysis of A090822.

CROSSREFS

Sequence in context: A134115 A061750 A107780 this_sequence A075981 A079368 A167529

Adjacent sequences: A157137 A157138 A157139 this_sequence A157141 A157142 A157143

KEYWORD

nonn,uned

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Feb 24 2009

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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