67347

Appears in sequences

• Numbers k such that 285*2^k + 1 is prime.at n=31A053359
• Least k such that decimal representation of k*n contains only digits 0 and 3.at n=48A096682
• Shorthand for A157035, the largest prime with 2^n digits.at n=15A157036
• Triangle read by rows: T(n,k) = (n-1-k)*abs(s(n,n+1-k)), where s(n,k) are the signed Stirling numbers of the first kind and 1 <= k <= n.at n=40A199220
• Volume of elliptic cone (rounded down) with semi-minor axis = height = n and semi-major axis = 3*n/2.at n=34A228391
• a(n) = a(n-1)^2/2 + 5/2, a(0) = 1.at n=5A232806
• Decimal representation of the n-th iteration of the "Rule 86" elementary cellular automaton starting with a single ON (black) cell.at n=8A265281
• Number of maximal subsets of {1..n} containing n such that every subset has a different sum.at n=44A325867
• Number of maximal irredundant sets in the n-trapezohedral graph.at n=11A392238