A169829 Palindromes that are a product of consecutive primes.

1, 2, 3, 5, 6, 7, 11, 77, 101, 131, 151, 181, 191, 313, 323, 353, 373, 383, 727, 757, 787, 797, 919, 929, 1001, 5005, 10301, 10501, 10601, 11311, 11411, 12421, 12721, 12821, 13331, 13831, 13931, 14341, 14741, 15451, 15551, 16061, 16361, 16561, 16661

Offset

1,2

Comments

Intersection of A002113 and A073485. - Reinhard Zumkeller, May 31 2010

Links

Donovan Johnson, Table of n, a(n) for n = 1..5000

Erich Friedman, What's Special About This Number? (See entry 1001.)

Example

323 = 17*19.

Mathematica

f[n_] := Select[ FoldList[ Times, 1, Prime[ Range[n, n + 4]]], # == FromDigits@ Reverse@ IntegerDigits@# &]; k = 1; lst = {}; While[k < 10^4, AppendTo[lst, f@k]; k++ ]; lst = Union@ Flatten@ lst (* Robert G. Wilson v, Jun 10 2010 *)

Crossrefs

Cf. A002113.

Sequence in context: A077571 A101730 A276692 * A189208 A270974 A039058

Adjacent sequences: A169826 A169827 A169828 * A169830 A169831 A169832

Keyword

nonn,base

Author

N. J. A. Sloane, May 30 2010

Extensions

More terms from Robert G. Wilson v and Jon E. Schoenfield, Jun 10 2010

Status

approved