45491

Properties

Appears in sequences

• Convolution of L(n+1) = A000204(n+1), n>=0, with L(n+4), n>=0.at n=12A067982
• Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,2,0,4 for x=0,1,2,3,4.at n=5A196908
• Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,2,0,4 for x=0,1,2,3,4.at n=3A196910
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,1,2,0,4 for x=0,1,2,3,4.at n=39A196912
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,1,2,0,4 for x=0,1,2,3,4.at n=41A196912
• Principal diagonal of the convolution array A213579.at n=15A213580
• Primes p with f(p), f(f(p)) and f(f(f(p))) all prime, where f(n) = prime(n) - n + 1.at n=23A235934
• Number of nX3 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=8A240042
• Number of ways to tile an n X n square with 1 X 1 squares and (n-1) X 1 vertical or horizontal strips.at n=8A335560
• Primes in A194627.at n=11A377791
• Prime numbersat n=4716