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A046336
Palindromes with exactly 10 prime factors (counted with multiplicity).
3
8448, 40704, 42624, 46464, 63936, 65856, 69696, 234432, 255552, 297792, 426624, 639936, 2152512, 2300032, 2327232, 2346432, 2570752, 2726272, 2741472, 2783872, 2939392, 2996992, 4072704, 4209024, 4266624, 4811184, 4897984
OFFSET
1,1
MATHEMATICA
Select[Range[2, 10000000], IntegerDigits[ # ] == Reverse[IntegerDigits[ # ]] && Plus @@ Transpose[FactorInteger[ # ]][[2]] == 10 &] - Tanya Khovanova, Sep 07 2007
CROSSREFS
Sequence in context: A116311 A116351 A253147 * A046384 A170787 A237846
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Jun 15 1998
STATUS
approved