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A138670 Indices of 0's in Stewart's choral sequence. +0
2
0, 1, 3, 4, 6, 9, 10, 12, 13, 15, 18, 19, 21, 24, 27, 28, 30, 31, 33, 36, 37, 39, 40, 42, 45, 46, 48, 51, 54, 55, 57, 58, 60, 63, 64, 66, 69, 72, 73, 75, 78, 81, 82, 84, 85, 87, 90, 91, 93, 94, 96, 99, 100, 102 (list; graph; listen)
OFFSET

0,3

FORMULA

3^{m+1}n+(3^m-1)/2 for m,n in {0,1,2,...}

CROSSREFS

Cf. A116178, A138671.

Sequence in context: A115837 A102342 A014419 this_sequence A080336 A082692 A032706

Adjacent sequences: A138667 A138668 A138669 this_sequence A138671 A138672 A138673

KEYWORD

easy,nonn

AUTHOR

Joel Reyes Noche (joel.noche(AT)up.edu.ph), Mar 26 2008

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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