255256

Appears in sequences

• Smallest x > 1 such that x^prime(n) == 1 mod(prime(i)) 2<=i<=n.at n=5A071554
• a(n) = number of bits in the binary expansion of A046967(n).at n=6A135249
• Concatenation of the decimal digits of n^2-1 and n^2.at n=16A215268
• Coefficients of polynomials related to ordered set partitions. Triangle read by rows, T_{m}(n, k) for m = 5 and 0 <= k <= n.at n=7A326717
• Row 2 of A328464: a(n) = A276156(4n - 2) / 2.at n=32A328465
• Triangle read by rows: T(n,k) = (A002110(n) + A002110(k)) / A002110(k), 1 <= k <= n.at n=21A370135