74247

Appears in sequences

• Sort then Add, a(1)=3.at n=17A033893
• Indices of zeros in A096535.at n=8A096274
• Palindromes whose perfect deficiency (A109883) is also palindromic.at n=21A110002
• Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than 2-1 2-cycles.at n=4A271963
• T(n,k)=Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than k-1 2-cycles.at n=19A271969