54004

Appears in sequences

• Numbers k with the property that k is a substring of its base-6 representation.at n=16A038106
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having exactly k entries that are midpoints of 321 patterns (0 <= k <= n-2 for n >= 2; k=0 for n=1).at n=31A145879
• Number of n X n arrays of squares of integers summing to 33 with every element equal to at least one neighbor.at n=2A146548
• Triangle T(n,k), read by rows, given by (1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, ...) DELTA (0, 0, 1, 1, 2, 2, 3, 3, 4, 4, ...) where DELTA is the operator defined in A084938.at n=47A202992