110 people attended OEIS-50 (videos, suggestions); annual fundraising drive to start soon (donate); editors, please edit! (stack is over 300), your editing is more valuable than any donation.
Looking on the number of 1`s, 2`s,...k`s in this sequence we obtain the sequence (1,2,4,5,9,16,25,42,72,...). Lim_k-->oo [number of (k+1)`s / number of(k`s)] = sqrt(e).
Table of n, a(n) for n=1..105.
Sequence in context: A091194 A156079 A061555 * A071626 A182008 A106457
Adjacent sequences: A146320 A146321 A146322 * A146324 A146325 A146326
Ctibor O. Zizka, Oct 30 2008