55690

Appears in sequences

• A014486-indices of symmetric binary trees.at n=37A083940
• Number of (n+2) X (3+2) 0..3 arrays with every 3 X 3 subblock row and column sum not 2 3 6 or 7 and every diagonal and antidiagonal sum 2 3 6 or 7.at n=13A251889
• Number of (n+2) X (3+2) 0..3 arrays with every 3 X 3 subblock row and column sum not equal to 0 2 3 6 or 7 and every 3 X 3 diagonal and antidiagonal sum equal to 0 2 3 6 or 7.at n=13A252259
• Number of (n+2) X (2+2) 0..1 arrays with no 3 x 3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 2 and no column sum 2.at n=22A255222
• Numbers that are the sum of nine fifth powers in three or more ways.at n=8A345620
• Numbers that are the sum of nine fifth powers in exactly three ways.at n=7A346338