-3430

Appears in sequences

• Matrix inverse of the Narayana triangle A001263.at n=32A103364
• Triangle of coefficients of Gaussian polynomials [2n+7,6]_q represented as finite sum of terms (1+q^2)^k*q^(g-k), where k = 0,1,...,g with g=6n+3.at n=57A267486
• Irregular triangle read by rows of normalized Girard-Waring formula (cf. A210258), for m=8 data values.at n=42A288188
• a(n) = Sum_{k=0..floor(n/7)} (-1)^k*binomial(n,7*k).at n=14A307041