318969

Appears in sequences

• Matrix product of unsigned Stirling1-triangle |A008275(n,k)| and unsigned Lah-triangle |A008297(n,k)|.at n=31A079640
• a(1)=1; a(n) = the reversal of (a(n-1) + sfd(a(n-1))), where sfd(n)= sum of factorials of the digits of n.at n=12A121103