28819

Appears in sequences

• Multiply by 1, add 1, multiply by 2, add 2, etc.; start with 3.at n=14A019466
• Number of rectangles in a pyramid built with squares. The squares counted in A092498 are excluded.at n=19A134507
• Triangle read by rows, X^n * [1,0,0,0,...]; where X = a tridiagonal matrix with (1,2,3,...) in the main diagonal and (1,1,1,...) in the sub and subsubdiagonals.at n=54A140735
• a(n) = n(p(n)-d(n)): sum of all of parts of all partitions of n with at least one distinct part.at n=22A220486
• Number of ways to place 3n rooks on an n X n board, with 3 rooks in each row and each column, multiple rooks in a cell allowed, and exactly 3 rooks below the main diagonal.at n=4A260727
• One half of numbers representable in at least two different ways as sums of four nonvanishing cubes. See A259060 for these numbers and their representations.at n=14A261241
• Triangle of generalized Eulerian numbers T(n,k) = <n,k>_3 read by rows, n >= 1, 0 <= k <= 3*(n-1).at n=38A269743
• Triangle of generalized Eulerian numbers T(n,k) = <n,k>_3 read by rows, n >= 1, 0 <= k <= 3*(n-1).at n=47A269743
• Number of achiral color patterns (set partitions) for a row or loop of length n using exactly 6 colors (sets).at n=15A304976
• a(1)=2; for n > 1, a(n) is the square root of the smallest square with a(n-1) as a prefix in base 10.at n=19A308055