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A143708
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(1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13, 2*7, 3*5,..) becomes (1^(2+3), 2^(2+5), 2^(3+7), 2^(3+3), 2^(2+5), 11^(2+2), 3^(13+2), 7^(3+5),..).
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1, 128, 1024, 64, 128, 14641, 14348907, 5764801, 2097152, 32, 130321, 9765625, 17179869184, 64, 625, 4826809, 512, 20511149, 116415321826934814453125, 6103515625, 4194304, 2401, 4052555153018976267, 4194304, 371293
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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EXAMPLE
| a(8)=7^(3+5)=7^8=5764801.
a(9)=2^(4+17)=2^21=2097152.
a(10)=2^(3+2)=2^5=32.
a(11)=19^(2+2)=19^4=130321.
a(12)=5^(3+7)=5^10=9765625.
a(13)=2^(11+23)=2^34=17179869184,
etc.
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CROSSREFS
| Cf. A141287, A141261, A136735.
Sequence in context: A188704 A183976 A183972 * A130813 A206278 A100628
Adjacent sequences: A143705 A143706 A143707 * A143709 A143710 A143711
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KEYWORD
| nonn
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AUTHOR
| Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Nov 13 2008
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EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 18 2010
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