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Search: id:A048795
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| A048795 |
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Concatenate p p times, where p runs through the primes. |
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+0
1
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| 22, 333, 55555, 7777777, 1111111111111111111111, 13131313131313131313131313, 1717171717171717171717171717171717, 19191919191919191919191919191919191919, 2323232323232323232323232323232323232323232323
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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M. L. Perez et al., eds., Smarandache Notions Journal
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EXAMPLE
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For each prime number p we write down 'p' p times.
2 -> 22
3 -> 333
5 -> 55555
... -> ...
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MAPLE
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P:=proc(i) local a, b, c, n; for n from 1 by 1 to i do a:=ithprime(n); b:=a-1; c:=a; while b>0 do c:=a+c*10^floor(evalf((log10(a)+1), 100)); b:=b-1; od; print(c); od; end: P(100); [From Paolo P. Lava (ppl(AT)spl.at), Jan 21 2009]
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CROSSREFS
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Cf. A000040, A000461.
Sequence in context: A048376 A053422 A000461 this_sequence A068186 A021284 A019623
Adjacent sequences: A048792 A048793 A048794 this_sequence A048796 A048797 A048798
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KEYWORD
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nonn,base,easy
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AUTHOR
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Patrick De Geest (pdg(AT)worldofnumbers.com), Jul 15 1999.
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