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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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2
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2, 3, 7, 23, 103, 613, 4751, 47137, 582511, 8758339, 156819893, 3283370969, 79174605361, 2171048919947, 66970610115763
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MATHEMATICA
| 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
| Cf. A111392, A112237.
Sequence in context: A087770 A087164 A077213 * A181609 A098544 A176706
Adjacent sequences: A112598 A112599 A112600 * A112602 A112603 A112604
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KEYWORD
| nonn
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AUTHOR
| Yasutoshi Kohmoto (zbi74583(AT)boat.zero.ad.jp), Dec 15, 2005
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EXTENSIONS
| 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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