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A048795 Concatenate p p times, where p runs through the primes. 0
22, 333, 55555, 7777777, 1111111111111111111111, 13131313131313131313131313, 1717171717171717171717171717171717, 19191919191919191919191919191919191919, 2323232323232323232323232323232323232323232323 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

M. L. Perez et al., eds., Smarandache Notions Journal

EXAMPLE

For each prime number p we write down 'p' p times.

2 -> 22

3 -> 333

5 -> 55555

... -> ...

MAPLE

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 (paoloplava(AT)gmail.com), Jan 21 2009]

CROSSREFS

Cf. A000040, A000461.

Sequence in context: A048376 A053422 A000461 * A068186 A021284 A019623

Adjacent sequences:  A048792 A048793 A048794 * A048796 A048797 A048798

KEYWORD

nonn,base,easy

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Jul 15 1999.

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Last modified February 16 16:34 EST 2012. Contains 205938 sequences.