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Search: id:A004276
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| A004276 |
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0, 2, 4 and the odd numbers. |
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+0
1
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| 0, 1, 2, 3, 4, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131
(list; graph; listen)
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OFFSET
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0,3
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FORMULA
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G.f.: x(1-x^10)/((1-x)^2(1-x^5)); - Paul Barry (pbarry(AT)wit.ie), Aug 11 2006
Euler transform of length 10 sequence [ 2, 0, 0, 0, 1, 0, 0, 0, 0, -1]. - Michael Somos Sep 06 2006
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PROGRAM
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(PARI) {a(n)=if(n<1, 0, n+(n>5)*(n-5))} /* Michael Somos Sep 06 2006 */
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CROSSREFS
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Cf. A004281.
Sequence in context: A026285 A013930 A004281 this_sequence A033057 A092755 A032515
Adjacent sequences: A004273 A004274 A004275 this_sequence A004277 A004278 A004279
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KEYWORD
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easy,nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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