3174444

Appears in sequences

• a(n) = 7*(n+1)*binomial(n+2,7)/2.at n=12A027780
• a(n) = 13*(n+1)*binomial(n+2,13)/2.at n=6A027786
• Oscillating orbitals over n sectors (nonpositive values indicating there exist none).at n=21A232500
• Triangle read by rows, interpolating between the central binomial coefficients and the central coefficients of the Catalan triangle. T(n, k) for 0 <= k <= n.at n=39A330798