A368034 Pandigital primes that are the concatenation of 7 primes.

23401589677, 23401675789, 23401675897, 23401756789, 23401767589, 23401896757, 23415780961, 23415809761, 23415896017, 23415897601, 23416017589, 23416075789, 23417809561, 23418095761, 23475601789, 23475809761, 23476018957, 23540176789, 23540178967, 23541601789

Offset

1,1

Comments

To be prime, a pandigital must use at least 11 digits. There are 4397 pandigital primes with 11 digits that can be cut into 7 prime-chunks.

Links

Table of n, a(n) for n=1..20.

Éric Angelini, Six prime chunks, Personal blog, December 2023.

Example

a(1) = 23401589677 can be cut into the 7 prime-chunks 2,3,401,5,89,67,7;
a(2) = 23401675789 can be cut into the 7 prime-chunks 2,3,401,67,5,7,89; etc.

Crossrefs

Cf. A368035, A368044, A050288.

Sequence in context: A306503 A096630 A297005 * A233841 A338374 A015399

Adjacent sequences: A368031 A368032 A368033 * A368035 A368036 A368037

Keyword

base,nonn

Author

Eric Angelini and Giorgos Kalogeropoulos, Dec 08 2023

Status

approved