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A166542
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a(n)=6*n-a(n-1), (with a(1)=2)
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0
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2, 10, 8, 16, 14, 22, 20, 28, 26, 34, 32, 40, 38, 46, 44, 52, 50, 58, 56, 64, 62, 70, 68, 76, 74, 82, 80, 88, 86, 94, 92, 100, 98, 106, 104, 112, 110, 118, 116, 124, 122, 130, 128, 136, 134, 142, 140, 148, 146, 154, 152, 160, 158, 166, 164, 172, 170, 178, 176, 184
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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FORMULA
| a(n)=(3/2)+(5/2)*(-1)^n+3*n, with a(1)=2 [From Paolo P. Lava (paoloplava(AT)gmail.com), Nov 10 2009]
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EXAMPLE
| For n=2, a(2)6*2-2=10; n=3, a(3)=6*3-10=8; n=4, a(4)=6*4-8=16
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CROSSREFS
| Sequence in context: A142954 A082225 A037187 * A189711 A092939 A006610
Adjacent sequences: A166539 A166540 A166541 * A166543 A166544 A166545
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KEYWORD
| nonn
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AUTHOR
| Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Oct 16 2009
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