A046403 Numbers with exactly 5 distinct palindromic prime factors.

2310, 21210, 27510, 31710, 33330, 38010, 40110, 43230, 46662, 49830, 59730, 60522, 63030, 65730, 69762, 74130, 77770, 78330, 80430, 83622, 88242, 100870, 103290, 116270, 116490, 116655, 123090, 126390, 139370, 144606, 147070, 151305, 152670, 158970, 163086, 165270, 167370

Offset

1,1

Links

David A. Corneth, Table of n, a(n) for n = 1..10000

Example

144606 = 2 * 3 * 7 * 11 * 313 is in the sequence as it has exactly 5 prime factors each of which is a palindrome. - David A. Corneth, Aug 30 2020

Crossrefs

Cf. A002385, A014614, A046400, A046401, A046402, A046403, A046371.

Sequence in context: A264718 A147572 A046303 * A288072 A087978 A261210

Adjacent sequences: A046400 A046401 A046402 * A046404 A046405 A046406

Keyword

nonn,easy,base

Author

Patrick De Geest, Jun 15 1998

Extensions

Offset changed to 1 and more terms from David A. Corneth, Aug 30 2020

Status

approved