A156113 Seven-digit primes that begin with 1 followed by permutations of digits 2 to 7.

1234657, 1245763, 1246537, 1246573, 1247563, 1254367, 1254637, 1256347, 1257463, 1263547, 1264537, 1264573, 1265347, 1275643, 1276543, 1324567, 1342567, 1342657, 1345627, 1354267, 1356247, 1356427, 1362457, 1425367

Offset: 1

Author

Ki Punches, Mar 15 2009

Keywords

• fini
• full
• nonn
• base

Comments

Sequence is finite, final term a(63)=1764253.

The full list is:

1234657,1245763,1246537,1246573,1247563,1254367,1254637,

1256347,1257463,1263547,1264537,1264573,1265347,1275643,

1276543,1324567,1342567,1342657,1345627,1354267,1356247,

1356427,1362457,1425367,1426753,1427563,1427653,1435627,

1436257,1436527,1452637,1453267,1463257,1465273,1476253,

1476523,1524637,1524763,1532647,1546273,1546327,1562347,

1563427,1564237,1572643,1574623,1576243,1624573,1625347,

1632457,1634257,1645327,1647253,1647523,1652347,1653427,

1672453,1674523,1725463,1726453,1742563,1752643,1764253.

Crossrefs

Cf. A156119.

Programs

Mathematica

Select[10^6+FromDigits/@Permutations[Range[2,7]],PrimeQ] (* Zak Seidov, Dec 18 2010 *)

Extensions

Corrected by Ray Chandler, May 25 2009