A046410 Palindromes with exactly 4 distinct palindromic prime factors.

6666, 22888822, 66888866, 413979314, 2228668222, 2668668662, 2888668882, 3315115133, 6668228666, 200446644002, 222266662222, 222446644222, 224488884422, 228866668822, 244666666442, 246664466642, 246686686642

Offset

1,1

Links

Table of n, a(n) for n=1..17.

Crossrefs

Cf. A046330, A046378.

Sequence in context: A236733 A015310 A043516 * A326811 A098936 A345601

Adjacent sequences: A046407 A046408 A046409 * A046411 A046412 A046413

Keyword

nonn,base

Author

Patrick De Geest, Jun 15 1998

Extensions

a(10)-a(17) from Donovan Johnson, Jul 20 2010

Status

approved