77426

Appears in sequences

• Number of primes p such that n!-p is prime.at n=10A140088
• Number of nX5 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.at n=5A296317
• Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.at n=4A296318
• T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.at n=49A296320
• T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.at n=50A296320