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A046374 Odd numbers with exactly 4 palindromic prime factors (counted with multiplicity). 1
81, 135, 189, 225, 297, 315, 375, 441, 495, 525, 625, 693, 735, 825, 875, 1029, 1089, 1155, 1225, 1375, 1617, 1715, 1815, 1925, 2401, 2541, 2695, 2727, 3025, 3537, 3773, 3993, 4077, 4235, 4545, 4887, 5157, 5895, 5929, 6363, 6655, 6795, 7575, 8145, 8253 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..44.

CROSSREFS

Cf. A046317, A046406.

Sequence in context: A001245 A186463 A046317 * A153259 A207050 A206072

Adjacent sequences:  A046371 A046372 A046373 * A046375 A046376 A046377

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jun 15 1998.

STATUS

approved

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Last modified September 25 21:12 EDT 2018. Contains 315425 sequences. (Running on oeis4.)