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Search: id:A136611
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A136611 (0, 1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3,..) becomes (0, 1, 2, 3, 4^5, 6, 7*8, 9, 10^11, 12^13, 14*15, 16, 17^18*19,..). +0
2
0, 1, 2, 3, 1024, 6, 56, 9, 100000000000, 19216339899072, 210, 16, 266314164608823014829171, 20, 462, 552, 25 (list; graph; listen)
OFFSET

1,3

EXAMPLE

a(5)=4^5=1024.

a(7)=7*8=56.

a(9)=10^11=100000000000.

a(10)=12^13=19216339899072.

a(11)=14*15=210.

a(12)=17^18*19=266314164608823014829171,

etc.

CROSSREFS

Cf. A141269, A141270.

Adjacent sequences: A136608 A136609 A136610 this_sequence A136612 A136613 A136614

Sequence in context: A108332 A066685 A076155 this_sequence A004898 A062920 A036111

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Nov 08 2008

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.


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