1555848domain: NAppears in sequencesHalf the number of n X 2 binary arrays with no element equal to a strict majority of its knight-move neighbors.at n=17A183393Numbers k such that k^3 is the sum of two nonzero 4th powers.at n=26A291849a(n) is the product of those divisors d of n such that tau(d) divides sigma(d).at n=41A338172