1,1

For 1 <= n <= 9: A010888(a(n)) = A001222(a(n)) = n.

a(7)=448 as A001222(448)=7 because of 448=2*2*2*2*2*2*7

and A010888(448)=7 because of 4+4+8=16 and 1+6=7.

Cf. A007953.

Sequence in context: A111441 A144594 A123028 this_sequence A040342 A164009 A048844

Adjacent sequences: A067202 A067203 A067204 this_sequence A067206 A067207 A067208

nonn,base,fini,full

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 19 2002