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Search: id:A071582
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| A071582 |
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Powers of 4 written backwards. |
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+0
1
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| 1, 4, 61, 46, 652, 4201, 6904, 48361, 63556, 441262, 6758401, 4034914, 61277761, 46880176, 654534862, 4281473701, 6927694924, 48196897171, 63767491786, 449609778472, 6777261159901, 4011156408934, 61444068129571
(list; graph; listen)
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OFFSET
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0,2
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PROGRAM
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(PARI) for(i=1, 50, n=4^i; s=ceil(log(n)/log(10)); print1(sum(i=0, s, 10^(s-i-1)*(floor(n/10^i)-10*floor(n/10^(i+1)))), ", "))
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CROSSREFS
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Sequence in context: A012567 A132627 A136385 this_sequence A158300 A129452 A131014
Adjacent sequences: A071579 A071580 A071581 this_sequence A071583 A071584 A071585
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KEYWORD
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easy,nonn,base
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AUTHOR
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Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 01 2002
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