1,1

C. Caldwell and G. L. Honaker, Jr., Is pi(6521)=6!+5!+2!+1! unique?, Math. Spectrum, 22:2 (2000/2001) 34-36.

a(5)=843 because pi(6521)=6!+5!+2!+1!=843.

Adjacent sequences: A049527 A049528 A049529 this_sequence A049531 A049532 A049533

Sequence in context: A108324 A133496 A121499 this_sequence A158404 A004929 A031736

fini,full,nonn

G. L. Honaker, Jr. (honak3r(AT)gmail.com)