1,1

50136 belongs, since pi(50136)=5149 and (5+0)=5, (0+1)=1, (1+3)=4 and

(3+6)=9.

Cf. A000720, A115999.

Sequence in context: A004069 A110978 A087719 this_sequence A073766 A031334 A099808

Adjacent sequences: A116067 A116068 A116069 this_sequence A116071 A116072 A116073

nonn,base,fini,more

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006