74998

Appears in sequences

• a(n) = b(n) - c(n) where b(n) is the n-th Fibonacci number greater than 2 and c(n) is the n-th number not in sequence b( ).at n=21A014251
• a(n) = Sum_{k=0..floor(n/2)} T(n-k,k), T given by A026747.at n=21A026757
• Euler transform of 3 2 1 1 1 1 1 1...at n=24A029859
• Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX6 array.at n=4A219881
• T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nXk array.at n=49A219883
• Number of 5Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 5Xn array.at n=5A219886
• Number of (n+3) X 9 0..2 matrices with each 4 X 4 subblock idempotent.at n=14A224726
• Number of permutations of [n] avoiding {1342, 2143, 3412}.at n=11A294697
• T(n, k) the number of A-polynomials in F_2^k[T] of degree n, array read by descending antidiagonals.at n=42A307988