37995

Appears in sequences

• Centered icosahedral (or cuboctahedral) numbers, also crystal ball sequence for f.c.c. lattice.at n=22A005902
• Numerators of continued fraction convergents to sqrt(877).at n=10A042694
• Terms of A050530 with four prime divisors.at n=27A053340
• Odd composite numbers k such that cototient(k) - phi(k) = k - 2*phi(k) is an odd prime.at n=11A083255
• a(n) = 169*n^2 - 2*n.at n=14A158218
• Number of nX4 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to one or two horizontal or vertical neighbors.at n=4A199361
• Number of nX5 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to one or two horizontal or vertical neighbors.at n=3A199362
• T(n,k)=Number of nXk 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to one or two horizontal or vertical neighbors.at n=31A199363
• T(n,k)=Number of nXk 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and every element equal to one or two horizontal or vertical neighbors.at n=32A199363
• Numbers n such that cototient(n) does not divide phi(n!).at n=4A291597
• Terms of A051488 that do not belong to A083207.at n=5A333232