0,3

Triangle T=A123305 is defined by: (column k of T) = (k+1)*(column k of T^2) shifted to have an initial '1'; thus a(n) = A123311(n)/(n+1) is integer for n>=0.

Table of n, a(n) for n=0..14.

Cf. A123305; A123306, A123307, A123308, A123309, A123310, A123311.

Sequence in context: A322518 A014062 A147626 * A010794 A177560 A177562

Adjacent sequences: A123309 A123310 A123311 * A123313 A123314 A123315

nonn

Paul D. Hanna, Sep 25 2006

approved