63880

Appears in sequences

• a(n) = 2*a(n-1) - a(n-2) - a(n-4) with a(0) = a(1) = 0, a(2) = 1, a(3) = 2.at n=35A014292
• Row 3 of A007754.at n=38A058794
• Numbers n such that n and the four successive integers produce primes if substituted for x in the polynomial 5x^2+5x+1. See A090562, A090563. Terms show that longer similar chains also exist.at n=28A090100
• a(n) = n^3 - 3*n.at n=40A121670
• Nonascending wiggly sums: number of sums adding to n in which terms alternately do not increase and do not decrease.at n=21A129853
• Numbers k such that 3^k + k^3 is prime.at n=3A253471