1,2

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

a(2+(1/2)*{sum(k=1, n, sum(i=0, k, i!)))=2

Cf. A088937(partial sums), A088938 (occurrences of 2's), A088939, A088940.

Sequence in context: A266470 A209700 A115980 * A049822 A140060 A164341

Adjacent sequences: A088933 A088934 A088935 * A088937 A088938 A088939

nonn

Benoit Cloitre and Claude Lenormand (claude.lenormand(AT)free.fr), Oct 25 2003

approved