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Search: id:A143666
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| A143666 |
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(0, 1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13,..) becomes (0^1*2, 3^2*2, 5^2*3, 7^2*3, 3^2*2, 5^11*2, 2^3*13,..). |
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+0
2
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| 0, 18, 75, 147, 18, 97656250, 104, 384, 100, 867, 1048576, 96, 539, 1587, 486, 24576, 18, 6439811511626359453675214, 7533, 96, 2057, 156250, 16, 26011, 3188646, 9963, 56, 3698, 2662, 575, 8836, 4374, 64, 258280326, 434176, 24, 97656250, 6561, 10469
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OFFSET
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1,2
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EXAMPLE
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0^1*2=0*2=0=a(1).
3^2*2=9*2=18=a(2).
5^2*3=25*3=75=a(3).
7^2*3=49*3=147=a(4).
3^2*2=9*2=18=a(5).
5^11*2=48828125*2=97656250=a(6).
2^3*13 =8*13=104=a(7).
2^7*3=128*3=384=a(8), etc.
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CROSSREFS
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Cf. A141269, A141270.
Sequence in context: A039608 A041628 A022145 this_sequence A139757 A164603 A100187
Adjacent sequences: A143663 A143664 A143665 this_sequence A143667 A143668 A143669
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KEYWORD
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nonn
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AUTHOR
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Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Nov 01 2008
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EXTENSIONS
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Extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 06 2008
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