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Search: id:A116690
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| A116690 |
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C(n,8) + C(n,7) + C(n,6) + C(n,5) + C(n,4) + C(n,3) + C(n,2) + C(n,1). |
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+0
1
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| 0, 1, 3, 7, 15, 31, 63, 127, 255, 510, 1012, 1980, 3796, 7098, 12910, 22818, 39202, 65535, 106761, 169765, 263949, 401929, 600369, 880969, 1271625, 1807780, 2533986, 3505698, 4791322, 6474540, 8656936, 11460948, 15033172, 19548045
(list; graph; listen)
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OFFSET
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0,3
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FORMULA
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a(n) = A000581(n) + A000580(n) + A000579(n) + A000389(n) + A000332(n) + A000292(n) + A000217(n) + n. a(n) = A000581(n) + A116082(n).
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MAPLE
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seq(sum(binomial(n, k), k=1..8), n=0..33); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Dec 14 2007
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PROGRAM
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(Other) sage: [binomial(n, 2)+binomial(n, 4)+binomial(n, 6)+binomial(n, 8) for n in xrange(1, 35)]# [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 17 2009]
(Other) sage: [binomial(n, 2)+binomial(n, 4)+binomial(n, 6)+binomial(n, 8)+binomial(n, 1)+binomial(n, 3)+binomial(n, 5)+binomial(n, 7)for n in xrange(0, 34)]# [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 17 2009]
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CROSSREFS
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Sequence in context: A116082 A043747 A105754 this_sequence A043755 A105755 A043764
Adjacent sequences: A116687 A116688 A116689 this_sequence A116691 A116692 A116693
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KEYWORD
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easy,nonn
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AUTHOR
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Jonathan Vos Post (jvospost3(AT)gmail.com), Mar 15 2006
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