50456

Appears in sequences

• Distinct even numbers in the numerators of the 1/3-Pascal triangle (by row).at n=42A046559
• Distinct even numbers in writing first numerator and then denominator of each element to the right of the central elements of the 1/3-Pascal triangle (by row).at n=34A046562
• a(n) = (1/5)*Sum_{k=0..n} binomial(n,k)*Fibonacci(k)*5^k.at n=5A087567
• Number of n X 3 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value within 2 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down.at n=38A253218
• Numbers k such that the sum of the proper divisors of k that have the same binary weight as k is larger than k, and no subset of these divisors sums to k.at n=27A381071
• First component A of the pairs (A, B), listed in increasing order, such that the multiset of digits of A union the multiset of digits of B equals the multiset of digits of A^2 and the multiset of digits of B^2, for some B >= A. Note that terms may be repeated.at n=15A389379
• First component A of the pairs (A, B), listed in increasing order, such that the multiset of digits of A union the multiset of digits of B equals the multiset of digits of A^2 and the multiset of digits of B^2, for some B >= A. Note that terms may be repeated.at n=16A389379