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A004278 1, 3 and the positive even numbers. 1
1, 2, 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A032954 A158023 A004271 * A068670 A084925 A045718

Adjacent sequences:  A004275 A004276 A004277 * A004279 A004280 A004281

KEYWORD

easy,nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 18:43 EST 2012. Contains 205939 sequences.