2406241

Properties

Appears in sequences

• Number of 4 X n 0..1 arrays with rows unimodal and columns nondecreasing.at n=19A225011
• Primes representable as x^y + x + y, where x>1, y>1 are integers.at n=33A253776
• a(n) = Sum_{k=0..n} (-1)^k * binomial(3*n-k+4,n-k).at n=8A390591
• Prime numbersat n=176719