420077

Appears in sequences

• Coefficients in the expansion of C^6 / B^7, in Watson's notation of page 106.at n=11A160460
• Number of n X 2 binary arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two not more than once.at n=13A269083
• Numbers which can be written in exactly five ways as a sum of two distinct nonzero pentagonal numbers.at n=10A333015