24994

Appears in sequences

• Numbers k such that 93*2^k+1 is prime.at n=33A032396
• Composite numbers, not ending with 0, sharing a 3-digit sequence with some of its prime factors.at n=30A131523
• The number of symmetric positive definite 2 X 2 matrices whose entries are integers of absolute value at most n.at n=29A219693
• a(n) is the nearest integer to binomial(n,n/2) = n!/((n/2)!)^2.at n=17A318910