1426425

Appears in sequences

• Binomial coefficient C(6n,n-9).at n=4A004364
• Binomial coefficients C(n,74).at n=4A017738
• Binomial coefficients C(78,n).at n=4A017794
• a(n) = 3rd elementary symmetric function of the first n+2 odd positive integers.at n=12A024197
• n-th Payam number E_{-}(n), defined as the smallest positive odd integer k such that for every positive integer m, the number k*2^m-1 is not divisible by any primes p such that the multiplicative order of 2 mod p is less than or equal to n.at n=24A083391
• n-th Payam number E_{-}(n), defined as the smallest positive odd integer k such that for every positive integer m, the number k*2^m-1 is not divisible by any primes p such that the multiplicative order of 2 mod p is less than or equal to n.at n=25A083391
• Number of ways to choose 4 points in an n X n X n triangular grid.at n=9A234249
• a(n) is the smallest number that has exactly n odious divisors (A000069).at n=42A355968