31229

Appears in sequences

• a(n) = n * (6*n^2 + 6*n + 1).at n=16A094421
• an=n-th smallest integer m=p1*p2*p3, product of 3 odd primes such that d+2m/d are all primes for d dividing 2m.at n=19A128278
• Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+2x+3y>1.at n=20A211622
• Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 king-move adjacent elements, with upper left element zero.at n=9A298316
• Number of minimal total dominating sets in the n-pan graph.at n=36A303148