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Search: id:A069103
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| A069103 |
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a(1) = 1; a(2) = 1; a(n) = Prime[a(n-1)] + Prime[a(n-2)] if n > 2. |
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+0
5
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| 1, 1, 4, 9, 30, 136, 882, 7626, 84448, 1159912, 19226112, 376464500, 8556370952, 222510227460, 6542050923204
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OFFSET
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1,3
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EXAMPLE
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a(3) = Prime[a(2)] + Prime[a(1)] = 2 + 2 = 4.
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MATHEMATICA
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f[x_] := Prime[f[x-1]]+Prime[f[x-2]] {f[1]=1, f[2]=1}; Table[f[w], {w, 1, 15}]
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CROSSREFS
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Adjacent sequences: A069100 A069101 A069102 this_sequence A069104 A069105 A069106
Sequence in context: A091658 A086688 A105865 this_sequence A041137 A042599 A141043
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KEYWORD
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nonn
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AUTHOR
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Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Apr 06 2002
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EXTENSIONS
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More terms from Labos E. (labos(AT)ana.sote.hu), Apr 11 2003
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