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A138607
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List first A008578(1) odd numbers, then first A008578(2) even numbers, then the next A008578(3) odd numbers, then the next A008578(4) even numbers, etc.
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4
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1, 2, 4, 3, 5, 7, 6, 8, 10, 12, 14, 9, 11, 13, 15, 17, 19, 21, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73
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OFFSET
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1,2
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COMMENTS
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A permutation of numbers.
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LINKS
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FORMULA
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EXAMPLE
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Let
S1={1}
S2={2,4}
S3={3,5,7}
S4={6,8,10,12,14}
S5={9,11,13,15,17,19,21}
S6={16,18,20,22,24,26,28,30,32,34,36}
...
then S1, S2, S3, S4, S5, S6,... gives this sequence.
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PROG
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CROSSREFS
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KEYWORD
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nonn,tabf
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AUTHOR
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EXTENSIONS
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Edited, extended, and offset changed from 0 to 1 by Antti Karttunen, Oct 05 2009
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STATUS
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approved
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