A074301 Numbers n such that (i) the largest prime factor of n is not a palindrome and (ii) the sum of the factorials of the digits of n is equal to the largest prime factor of n reversed.

143, 541, 2105, 2444, 3431, 4144, 4233, 4301, 4440, 10234, 12243, 12341, 20313, 22320, 30422, 34030, 34144, 35140, 46003, 52100, 53013, 102613, 106312, 113162, 120032, 134046, 200340, 202124, 203112, 210304, 211232, 212264, 221030, 222224

Offset

1,1

Links

Table of n, a(n) for n=1..34.

Example

2105 = 5.'421' and 2!+1!+0!+5! = 124.

Crossrefs

See A111185 for another version.

Sequence in context: A156963 A126703 A111185 * A156635 A354483 A035304

Adjacent sequences: A074298 A074299 A074300 * A074302 A074303 A074304

Keyword

base,nonn

Author

Jason Earls, Sep 21 2002

Extensions

More terms from Jonathan Cross (jcross(AT)juggler.net), Oct 14 2005

Status

approved