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Search: id:A069492
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| A069492 |
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5-full numbers: if p divides n then so does p^5. |
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+0
1
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| 1, 32, 64, 128, 243, 256, 512, 729, 1024, 2048, 2187, 3125, 4096, 6561, 7776, 8192, 15552, 15625, 16384, 16807, 19683, 23328, 31104, 32768, 46656, 59049, 62208, 65536, 69984, 78125, 93312, 100000, 117649, 124416, 131072, 139968, 161051
(list; graph; listen)
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OFFSET
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1,2
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PROGRAM
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(PARI) for(n=1, 250000, if(n*sumdiv(n, d, isprime(d)/d^5)==floor(n*sumdiv(n, d, isprime(d)/d^5)), print1(n, ", ")))
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CROSSREFS
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Cf. A036967, A036966, A001694.
Adjacent sequences: A069489 A069490 A069491 this_sequence A069493 A069494 A069495
Sequence in context: A132300 A116318 A122616 this_sequence A076469 A110562 A045048
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KEYWORD
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easy,nonn
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AUTHOR
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Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 15 2002
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