A046379 Palindromes with exactly 5 palindromic prime factors (counted with multiplicity).

252, 616, 5445, 5775, 8888, 48884, 268862, 448844, 526625, 577775, 1478741, 2468642, 3498943, 5304035, 13577531, 17377371, 22666622, 29244292, 33999933, 124666421, 151202151, 1144664411, 36466266463, 334826628433, 534874478435, 592723327295, 597593395795

Offset

1,1

Links

Lars Blomberg, Table of n, a(n) for n = 1..44, terms < 10^16.

Example

The palindrome 151202151 is a term since it has 5 factors 3^2 101 181 919, all palindromic.

Crossrefs

Cf. A046331.

Sequence in context: A024757 A254467 A242570 * A250794 A245858 A200884

Adjacent sequences: A046376 A046377 A046378 * A046380 A046381 A046382

Keyword

nonn,base

Author

Patrick De Geest, Jun 15 1998

Extensions

More terms from Lars Blomberg, Nov 06 2015

Status

approved