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Search: id:A133390
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| A133390 |
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Period 18: repeat 1, 4, 7, 2, 2, 5, 4, 1, 1, 8, 5, 2, 7, 7, 4, 5, 8, 8. |
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+0
2
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| 1, 4, 7, 2, 2, 5, 4, 1, 1, 8, 5, 2, 7, 7, 4, 5, 8, 8, 1, 4, 7, 2, 2, 5, 4, 1, 1, 8, 5, 2, 7, 7, 4, 5, 8, 8, 1, 4, 7, 2, 2, 5, 4, 1, 1, 8, 5, 2, 7, 7, 4, 5, 8, 8, 1, 4, 7, 2, 2, 5, 4, 1, 1, 8, 5, 2, 7, 7, 4, 5, 8, 8, 1, 4, 7, 2, 2, 5, 4, 1, 1, 8, 5, 2, 7, 7, 4, 5, 8, 8
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Disordered, three times 1, 2, 4, 5, 7, 8.
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FORMULA
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Sum of digits mod 9 of 1, 4, 7, 11, 20, A130625. Digits of 1/7, A020806 or A029898, 1, 1, 2, 4, 8.
a(n)=(1/306)*{128*(n mod 18)+9*[(n+1) mod 18]-42*[(n+2) mod 18]-8*[(n+3) mod 18]+60*[(n+4) mod 18]+9*[(n+5) mod 18]-76*[(n+6) mod 18]+60*[(n+7) mod 18]+60*[(n+8) mod 18]-110*[(n+9) mod 18]+9*[(n+10) mod 18]+60*[(n+11) mod 18]+26*[(n+12) mod 18]-42*[(n+13) mod 18]+9*[(n+14) mod 18]+94*[(n+15) mod 18]-42*[(n+16) mod 18]-42*[(n+17) mod 18]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Dec 19 2007
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CROSSREFS
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Sequence in context: A082169 A078220 A139346 this_sequence A011351 A132026 A130882
Adjacent sequences: A133387 A133388 A133389 this_sequence A133391 A133392 A133393
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KEYWORD
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nonn
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Nov 23 2007
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