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A048847 Primes formed by concatenation of first k odd numbers. 4
13, 135791113151719, 135791113151719212325272931, 135791113151719212325272931333537394143454749515355575961636567 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

REFERENCES

R. W. Stephan, Factors and Primes in Two Smarandache Sequences, Smarandache Notions Journal, second edition, Vol. 9, No. 1-2, 1998, 5-11.

LINKS

M. Fleuren, Smarandache Concatenated Odds.

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

Eric Weisstein's World of Mathematics, Consecutive Number Sequences

CROSSREFS

Cf. A019519, A046036.

Sequence in context: A081509 A177224 A145234 * A093671 A102910 A134070

Adjacent sequences:  A048844 A048845 A048846 * A048848 A048849 A048850

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Charles T. Le (charlestle(AT)yahoo.com)

EXTENSIONS

Edited by Charles R Greathouse IV (charles.greathouse(AT)case.edu), Apr 23 2010

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.