

A078871


Decimal concatenations of the 6tuples (d1,d2,d3,d4,d5,d6) with elements in {2,4,6} for which there exists a prime p >= 7 such that the differences between the 7 consecutive primes starting with p are (d1,d2,d3,d4,d5,d6).


2



242462, 246264, 246266, 246626, 264242, 264246, 264264, 264626, 264666, 266424, 266466, 266646, 424626, 424662, 462462, 462642, 462646, 462664, 462666, 466264, 466266, 466626, 624626, 626424, 626426, 626462, 626466, 626642, 626646, 626664, 642462, 642466, 642646, 646246, 646264, 646266, 646626, 646662, 662642, 662646, 662664, 662666, 664246, 664626, 664662, 666264, 666266, 666462
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..48.


EXAMPLE

For 424662, the first 2 primes with the given differences are 37 and 25767877. For 646626, the least start prime is 6268957.


CROSSREFS

The least primes corresponding to the 6tuples are in A078874. The same primes, in increasing order, are in A078875. The similarly defined quadruples and quintuples are in A078868 and A078870. Cf. A001223, A078869.
Sequence in context: A127881 A134857 A251007 * A249209 A066082 A204950
Adjacent sequences: A078868 A078869 A078870 * A078872 A078873 A078874


KEYWORD

nonn,fini,full,base


AUTHOR

Labos Elemer, Dec 20 2002


EXTENSIONS

Edited by Dean Hickerson, Dec 21 2002


STATUS

approved



