55471

Appears in sequences

• Composite n such that (n-1)*phi(n) is a perfect square.at n=34A069953
• Number of nX7 binary arrays with each 1 adjacent to exactly one 1 vertically and one 1 horizontally.at n=8A183339
• Number of nX9 binary arrays with each 1 adjacent to exactly one 1 vertically and one 1 horizontally.at n=6A183341
• Number of partitions p of n containing round((min(p) + max(p))/2) as a part.at n=48A238486