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A127934
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a(8n)=8n+1, a(8n+1)=a(8n+2)=a(8n+3)=8n+5, a(8n+4)=8n+6, a(8n+5)=a(8n+6)=a(8n+7)=8n+8.
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1
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1, 5, 5, 5, 6, 8, 8, 8, 9, 13, 13, 13, 14, 16, 16, 16, 17, 21, 21, 21, 22, 24, 24, 24, 25, 29, 29, 29, 30, 32, 32, 32, 33, 37, 37, 37, 38, 40, 40, 40, 41, 45, 45, 45, 46, 48, 48, 48, 49, 53, 53, 53, 54, 56, 56, 56, 57, 61, 61, 61, 62, 64, 64, 64, 65, 69, 69, 69, 70, 72, 72, 72
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| a(n)=(1/56)*Sum{k=0..n}{(-5*(k mod 8)+2*[(k+1) mod 8]+16*[(k+2) mod 8]-5*[(k+3) mod 8]-5*[(k+4) mod 8]+2*[(k+5) mod 8]+30*[(k+6) mod 8]-19*[(k+7) mod 8]} [From Paolo P. Lava (paoloplava(AT)gmail.com), Nov 18 2008]
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CROSSREFS
| Sequence in context: A046263 A092279 A159002 * A205236 A176172 A204911
Adjacent sequences: A127931 A127932 A127933 * A127935 A127936 A127937
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KEYWORD
| nonn
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AUTHOR
| Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Apr 06 2007
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