27902

Appears in sequences

• a(0) = 1, a(n) = 31*n^2 + 2 for n>0.at n=30A010020
• a(n+1) = a(n)-th composite number, with a(1) = 11.at n=39A059407
• Numbers that have 10 terms in their Zeckendorf representation.at n=31A179250
• Number of tilings of a 4 X n rectangle using tetrominoes of shapes L, T, Z.at n=10A233266
• Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=6A326162
• Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=4A326164
• T(n,k) = Number of n X k 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=59A326165
• T(n,k) = Number of n X k 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=61A326165