A212372 Nonprime numbers with distinct digits in descending order.

1, 4, 6, 8, 9, 10, 20, 21, 30, 32, 40, 42, 50, 51, 52, 54, 60, 62, 63, 64, 65, 70, 72, 74, 75, 76, 80, 81, 82, 84, 85, 86, 87, 90, 91, 92, 93, 94, 95, 96, 98, 210, 310, 320, 321, 410, 420, 430, 432, 510, 520, 530, 531, 532, 540, 542, 543, 610, 620, 621, 630

Offset: 1

Author

Jaroslav Krizek, May 10 2012

Keywords

• nonn
• base
• fini
• full

Comments

Sequence is finite with 935 terms, last term is a(935) = 9876543210.

Complement of A052014 with respect to A009995.

Links

• Jaroslav Krizek, Table of n, a(n) for n = 1..935 (complete list).

Crossrefs

Cf. A052014 (primes with distinct digits in descending order), A009995 (numbers with distinct digits in descending order).

Formula

A178788(a(n)) = 1.