259350

Appears in sequences

• Powers of rooted tree enumerator.at n=25A000529
• Number of rooted toroidal maps with 2 faces and n vertices and without separating cycles or isthmuses.at n=12A006422
• Initial seeds x which will enter a cycle of length 4 under the iteration of x -> A063919(x), the sum of proper unitary divisors.at n=29A098187
• a(n) = 18522*n + 42.at n=13A157740
• Triangle read by rows: the x = 1+q Narayana triangle at m=2.at n=32A243660
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1)^2, where a(0) = 2, a(1) = 3, b(0) = 1, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.at n=19A296254
• The Geode Bi-Tri infinite rectangular array, read by upward antidiagonals.at n=31A383453