111320

Appears in sequences

• [ (4th elementary symmetric function of S(n))/(2nd elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 1 mod 4}.at n=22A024389
• First occurrence of n in A225399, or -1 if n does not appear in A225399.at n=44A225400
• a(n) = A008412(n-1) + A008412(n-2) for n>1, a(0)=0, a(1)=1.at n=29A287324
• a(n) = 5*(3*n+1)*(9*n+8)/2 (n>=0).at n=40A304508
• Index of the first occurrence of n in A076982.at n=45A368855
• Numbers k such that k and k+1 both have at least three divisors with the same value of the Euler totient function (A000010).at n=1A373529