A046370 Numbers with exactly 4 palindromic prime factors (counted with multiplicity).

16, 24, 36, 40, 54, 56, 60, 81, 84, 88, 90, 100, 126, 132, 135, 140, 150, 189, 196, 198, 210, 220, 225, 250, 294, 297, 308, 315, 330, 350, 375, 441, 462, 484, 490, 495, 525, 550, 625, 686, 693, 726, 735, 770, 808, 825, 875, 1029, 1048, 1078, 1089, 1155, 1208

Offset

0,1

Links

Table of n, a(n) for n=0..52.

Crossrefs

Cf. A014613, A046402.

Sequence in context: A014613 A323350 A307341 * A103248 A286195 A140135

Adjacent sequences: A046367 A046368 A046369 * A046371 A046372 A046373

Keyword

nonn,base

Author

Patrick De Geest, Jun 15 1998

Status

approved