73457

Appears in sequences

• Least number beginning with prime(n) such that every concatenation is a prime.at n=20A090508
• Number of length 3+2 0..n arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=15A253131
• a(n) = (n+1)*(n^4-4*n^3+11*n^2-8*n+12)/12.at n=16A302612
• Number of n X 7 0..1 arrays with every element unequal to 0, 1 or 5 king-move adjacent elements, with upper left element zero.at n=11A303718
• a(1) = 1; a(n+1) = Sum_{d|n, n/d odd} a(d)^(n/d).at n=49A307780