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A138671
Indices of 1's in Stewart's choral sequence.
1
2, 5, 7, 8, 11, 14, 16, 17, 20, 22, 23, 25, 26, 29, 32, 34, 35, 38, 41, 43, 44, 47, 49, 50, 52, 53, 56, 59, 61, 62, 65, 67, 68, 70, 71, 74, 76, 77, 79, 80, 83, 86, 88, 89, 92, 95, 97, 98, 101, 103, 104
OFFSET
0,1
FORMULA
3^{m+1}n+(5(3^m)-1)/2 for m,n in {0,1,2,...}
CROSSREFS
Sequence in context: A111199 A359381 A276545 * A286693 A032724 A153308
KEYWORD
easy,nonn
AUTHOR
Joel Reyes Noche (joel.noche(AT)up.edu.ph), Mar 26 2008
STATUS
approved