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A108337 Positions of the odd terms in A084202, which gives the coefficients b(n) such that (B(x))^2 has coefficients 1 and 2. 3
0, 1, 3, 5, 6, 13, 15, 16, 18, 25, 26, 28, 30, 31, 63, 65, 66, 68, 75, 76, 80, 82, 83, 85, 86, 87, 88, 90, 92, 96, 97, 99, 100, 101, 107, 108, 110, 113, 114, 115, 117, 118, 120, 121, 122, 130, 131, 132, 136, 137, 139, 141, 143, 144, 145, 147, 149, 150 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Also positions of 1's in A108336, which gives the coefficients of b(n) such that (B(x))^2 has coefficients 1 or 2 mod 4.

Equals A108783(n)/2.

LINKS

Table of n, a(n) for n=0..57.

CROSSREFS

Sequence in context: A238961 A238974 A139013 * A064519 A048968 A185737

Adjacent sequences:  A108334 A108335 A108336 * A108338 A108339 A108340

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 02 2005

EXTENSIONS

Additional comments from Nadia Heninger, Jul 14 2007

STATUS

approved

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Last modified November 21 06:24 EST 2014. Contains 249769 sequences.