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A120326
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Cumulative sum of the remainders when dividing primes by 3.
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0
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2, 2, 4, 5, 7, 8, 10, 11, 13, 15, 16, 17, 19, 20, 22, 24, 26, 27, 28, 30, 31, 32, 34, 36, 37, 39, 40, 42, 43, 45, 46, 48, 50, 51, 53, 54, 55, 56, 58, 60, 62, 63, 65, 66, 68, 69, 70, 71, 73, 74, 76, 78, 79, 81, 83, 85, 87, 88, 89, 91, 92, 94, 95, 97, 98, 100, 101, 102, 104, 105
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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FORMULA
| cumsum(mod([2, 3, 5, ...],3))
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MATHEMATICA
| s=0; lst={}; Do[p=Prime[n]; m=Mod[p, 3]; a=(p-m)/3; AppendTo[lst, s+=m], {n, 3*4!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), May 24 2009]
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CROSSREFS
| Sequence in context: A107849 A053036 A067957 * A036406 A029007 A058678
Adjacent sequences: A120323 A120324 A120325 * A120327 A120328 A120329
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KEYWORD
| nonn
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AUTHOR
| Joost de Winter (J.C.F.deWinter(AT)tudelft.nl), Aug 27 2006
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