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Search: id:A112601
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| A112601 |
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a(n) = prime(b(n)) where b(n) = b(n-2) + a(n-1) (with b(1)=1, b(2)=2). |
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3
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| 2, 3, 7, 23, 103, 613, 4751, 47137, 582511, 8758339, 156819893, 3283370969, 79174605361, 2171048919947, 66970610115763
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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a[n_] := a[n] = Prime[b[n]]; b[1] = 1; b[2] = 2; b[n_] := b[n] = b[n - 2] + a[n - 1]; Array[a, 15] (* Robert G. Wilson v *)
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CROSSREFS
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Cf. A111392, A112237.
Adjacent sequences: A112598 A112599 A112600 this_sequence A112602 A112603 A112604
Sequence in context: A087770 A087164 A077213 this_sequence A098544 A090253 A001064
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KEYWORD
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nonn
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AUTHOR
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Yasutsohi Kohmoto (zbi74583(AT)boat.zero.ad.jp), Dec 15, 2005
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EXTENSIONS
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Better definition from Dean Hickerson, more terms from Emeric Deutsch, Dec 17 2005
a(12)-a(15) from Robert G. Wilson v (rgwv(at)rgwv.com), Dec 22 2005
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