39489

Appears in sequences

• Least number beginning with n such that every concatenation is a prime.at n=38A090506
• Number of nX3 0..1 arrays with every element unequal to 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=8A318425
• Number of compositions (ordered partitions) of n into centered heptagonal numbers (A069099).at n=54A322803
• Expansion of e.g.f. exp(x - x^2)/(1 - x).at n=8A377958