A032449 Every suffix is prime and no digit is 0 or 5.

2, 3, 7, 13, 17, 23, 37, 43, 47, 67, 73, 83, 97, 113, 137, 167, 173, 197, 223, 283, 313, 317, 337, 347, 367, 373, 383, 397, 443, 467, 613, 617, 643, 647, 673, 683, 743, 773, 797, 823, 883, 937, 947, 967, 983, 997, 1223, 1283, 1367, 1373, 1613, 1823, 1997

Offset

1,1

Comments

The last term in the sequence is a(2003) = 666276812967623946997.

Links

Nathaniel Johnston, Table of n, a(n) for n = 1..2003 (full sequence)

Maple

a:=[[2], [3], [7]]: s:=[1, 2, 3, 4, 6, 7, 8, 9]: l1:=1: l2:=3: for n from 1 to 4 do for k from 1 to 8 do for j from l1 to l2 do d:=[op(a[j]), s[k]]: if(isprime(op(convert(d, base, 10, 10^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

Cf. A024785.

Sequence in context: A069104 A003631 A175443 * A278697 A129941 A287147

Adjacent sequences: A032446 A032447 A032448 * A032450 A032451 A032452

Keyword

nonn,base,fini,full,easy

Author

Carlos Rivera

Extensions

Corrected terms and statement about last term, Nathaniel Johnston, Jun 22 2011.

Status

approved