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A024782 Every suffix prime and no 0 digits in base 7 (written in base 7). 2
2, 3, 5, 23, 25, 32, 43, 52, 65, 443, 452, 623, 625, 632, 652, 2452, 2623, 6625, 6652, 42623, 642623, 6642623 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..22.

MAPLE

a:=[[2], [3], [5]]: b:=[]: l1:=1: l2:=3: do for k from 1 to 6 do for j from l1 to l2 do d:=[op(a[j]), k]: if(isprime(op(convert(d, base, 7, 7^nops(d)))))then a:=[op(a), d]: fi: od: od: l1:=l2+1: l2:=nops(a): if(l1>l2)then break: fi: od: seq(op(convert(a[j], base, 10, 10^nops(a[j]))), j=1..nops(a)); # Nathaniel Johnston, Jun 21 2011

CROSSREFS

Sequence in context: A013639 A047995 A244862 * A024775 A024767 A041195

Adjacent sequences:  A024779 A024780 A024781 * A024783 A024784 A024785

KEYWORD

nonn,easy,base,fini,full

AUTHOR

David W. Wilson

STATUS

approved

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Last modified October 23 18:06 EDT 2014. Contains 248468 sequences.