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A097272
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Least integer with same "mod 2 prime signature" as n.
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3
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1, 2, 3, 4, 3, 6, 3, 8, 9, 6, 3, 12, 3, 6, 15, 16, 3, 18, 3, 12, 15, 6, 3, 24, 9, 6, 27, 12, 3, 30, 3, 32, 15, 6, 15, 36, 3, 6, 15, 24, 3, 30, 3, 12, 45, 6, 3, 48, 9, 18, 15, 12, 3, 54, 15, 24, 15, 6, 3, 60, 3, 6, 45, 64, 15, 30, 3, 12, 15, 30, 3, 72, 3, 6, 45, 12, 15, 30, 3, 48, 81, 6, 3, 60
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| For n=2^a_0*p_1^a_1*...*p_n^a_n where p_i is odd prime and a_1>=a_2>=...>=a_n, define "mod 2 prime signature" to be ordered prime exponents (a_0,a_1,...,a_n).
Least integer with a given "mod 2 prime signature" is obtained by replacing p_1 with 3, p_2 with 5,..., p_n with n-th odd prime.
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CROSSREFS
| Cf. A097273, A097274, A097275.
Sequence in context: A092089 A117659 A079065 * A126630 A167234 A088043
Adjacent sequences: A097269 A097270 A097271 * A097273 A097274 A097275
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KEYWORD
| nonn
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AUTHOR
| Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 22 2004
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