30581

Appears in sequences

• Binomial transform of poly-Bernoulli numbers A027649.at n=7A085350
• Column 0 of triangle A105542, which equals the matrix square of triangle A105540.at n=19A105543
• First subdiagonal of triangular array T: T(j,1) = 1 for ((j-1) mod 6) < 3, else 0; T(j,k) = T(j-1,k-1) + T(j-1,k) for 2 <= k <= j.at n=16A131023
• a(n) = 2^n - A108411(n).at n=15A167936
• Monotonic ordering of nonnegative differences 8^i-3^j, for 40>= i>=0, j>=0.at n=23A192156
• Number of n X n arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X n array.at n=9A219497
• Numbers whose base-b expansions, for both b=3 and b=4, include no digits other than 1 and b-1.at n=17A262958
• Positions of records in A268672.at n=22A268713
• Numbers k such that 3*10^k + 73 is prime.at n=30A271640