19928

Appears in sequences

• Row lengths of the irregular triangle defined in A090905.at n=16A090906
• Number of terms in n-th row of irregular triangle defined in A093911.at n=16A093912
• Number of partitions of n into parts not greater than sqrt(n).at n=51A097356
• Number of 1-sided strip polypons with n cells.at n=30A151532
• Let g be a permutation of [1..n] having say j_i cycles of length i, with Sum_i i*j_i = n; sequence gives Sum_g Sum_i (j_i)^2.at n=6A151882
• Number of 3-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.at n=10A187851
• The minimum possible value for the apex of a triangle of numbers whose base consists of a permutation of the numbers 0 to n, and each number in a higher row is the sum of the two numbers directly below it.at n=13A189391
• Number of partitions of n with difference -1 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=45A242691
• Sums of Pythagorean sextuples in increasing order: The sums of sets of six natural numbers which correspond to the lengths of the edges of a tetrahedron whose four faces are all different Pythagorean triangles.at n=35A248548
• Number of ways to put n red and n blue balls into n indistinguishable boxes.at n=9A254686
• Number of factorizations of m^n into exactly nine factors, where m is a product of two distinct primes.at n=9A277245
• Number of partitions of positive integer n such that all parts are less than the square root of n.at n=50A316353
• Number of partitions of n into 7 distinct and relatively prime parts.at n=51A339672
• a(0) = 1; thereafter a(n) = 2*(6*n^2 - 3*n + 1).at n=41A386477