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A036668 Hati numbers: of form 2^i*3^j*k, i+j even, (k,6)=1. +0
2
1, 4, 5, 6, 7, 9, 11, 13, 16, 17, 19, 20, 23, 24, 25, 28, 29, 30, 31, 35, 36, 37, 41, 42, 43, 44, 45, 47, 49, 52, 53, 54, 55, 59, 61, 63, 64, 65, 66, 67, 68, 71, 73, 76, 77, 78, 79, 80, 81, 83, 85, 89, 91, 92, 95, 96, 97, 99, 100, 101, 102, 103, 107 (list; graph; listen)
OFFSET

0,2

COMMENT

If n appears then 2n and 3n do not. - Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 13 2002

REFERENCES

Don McDonald (dsmcdona(AT)actrix.gen.nz), Obituary of Alan Robert Boyd, posted to sci.math Jan 02 1999.

CROSSREFS

Cf. A007310, A036667.

Cf. A003159.

Sequence in context: A088685 A022299 A099049 this_sequence A010381 A095033 A010399

Adjacent sequences: A036665 A036666 A036667 this_sequence A036669 A036670 A036671

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), xpolakis(AT)hol.gr (Antreas P. Hatzipolakis)

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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