201598

Appears in sequences

• Number of ways to reciprocally link elements of an n X 3 array either to themselves or to exactly two king-move neighbors, without consecutive collinear links.at n=5A220714
• Number of ways to reciprocally link elements of an nX6 array either to themselves or to exactly two king-move neighbors, without consecutive collinear links.at n=2A220717
• T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly two king-move neighbors, without consecutive collinear links.at n=30A220718
• T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly two king-move neighbors, without consecutive collinear links.at n=33A220718
• Numbers k such that sigma(k) = sigma(k-1).at n=36A231546
• Numbers k such that k divides the sum of digits in factorial base of all numbers from 1 to k.at n=32A333702