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A081354 Numbers n such that sigma(n^2) modulo 4 = 3. 0
2, 4, 5, 6, 8, 12, 13, 14, 15, 16, 17, 18, 22, 24, 28, 29, 32, 35, 36, 37, 38, 39, 41, 42, 44, 45, 46, 48, 50, 51, 53, 54, 55, 56, 61, 62, 64, 66, 72, 73, 76, 84, 86, 87, 88, 89, 91, 92, 94, 95, 96, 97, 98, 100, 101, 105, 108, 109, 111, 112, 113, 114, 115, 117, 118, 119, 123 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

Probably a(n)/n ->2

CROSSREFS

Sequence in context: A099247 A192583 A007192 * A119792 A085834 A037081

Adjacent sequences:  A081351 A081352 A081353 * A081355 A081356 A081357

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 20 2003

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Last modified February 14 05:09 EST 2012. Contains 205570 sequences.