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A090419 Numbers that cannot be written in binary representation as concatenation of primes. 2
1, 4, 6, 8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 46, 48, 49, 50, 51, 52, 54, 56, 57, 58, 60, 62, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 82, 84, 85, 86, 88, 90, 92, 94, 96, 98, 99, 100, 102, 104, 105 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

A090418(a(n)) = 0; complement of A090421.

CROSSREFS

Cf. A004676, A007088.

Sequence in context: A060679 A051234 A102554 * A070810 A129930 A128510

Adjacent sequences:  A090416 A090417 A090418 * A090420 A090421 A090422

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 30 2003

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.