A046409 Palindromes with exactly 3 distinct palindromic prime factors.

66, 606, 2222, 2882, 3333, 5555, 6886, 7777, 26462, 39693, 145541, 167761, 226622, 248842, 339933, 347743, 662266, 664466, 668866, 682286, 993399, 996699, 2080802, 2284822, 6080806, 6264626, 9396939, 11444411, 11666611, 11777711

Offset

1,1

Links

Chai Wah Wu, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A046329, A046377.

Sequence in context: A175260 A233065 A129218 * A128952 A282050 A270258

Adjacent sequences: A046406 A046407 A046408 * A046410 A046411 A046412

Keyword

nonn,base

Author

Patrick De Geest, Jun 15 1998

Status

approved