67229

Appears in sequences

• Numbers k such that k^6 == 1 (mod 7^5).at n=24A056103
• Numbers k such that k-1 and k+1 are each the product of exactly 7 primes, counted with multiplicity.at n=16A157487
• a(n) = 4*7^n+1.at n=5A199419
• Triangle T(n, k) = Numbers of ways to place k points on a triangular grid of side n so that no two of them are adjacent. Triangle read by rows.at n=40A239567