1,33

If a(n)>0 then a(n+1)=a(n)-1.

Table of n, a(n) for n=1..105.

33=3*11 has only two successors also with two factors: 34=2*17 and 35=5*7 (whereas 33+3=36=2*2*3*3), therefore a(33)=2.

Cf. A001222, A077656, A045920, A045939, A045940, A045941, A045942, A077657.

Sequence in context: A073797 A037856 A037874 * A117886 A145723 A085977

Adjacent sequences: A077652 A077653 A077654 * A077656 A077657 A077658

nonn

Reinhard Zumkeller, Nov 13 2002

approved