155232

Appears in sequences

• Expansion of e.g.f.: cos(sinh(x)*log(1+x)).at n=9A009062
• Square of Narayana triangle A001263: View A001263 as a lower triangular matrix. Then the square of that matrix is also lower triangular. Sequence gives this lower triangle, read by rows.at n=39A095801
• (1/8)*number of equilateral triangles that can be formed from the points of an (n+1)X(n+1)X(n+1) lattice cube.at n=16A103501
• Number of different ways n! can be represented as the difference of two squares; also, for n >= 4, half the number of positive integer divisors of n!/4.at n=24A138196
• a(n) = n^2*(n+1)*(3*n+1)/4.at n=21A213827
• Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001011.at n=6A260493
• Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001011.at n=6A260500
• a(n) is the least number with exactly n divisors of the form 5*k+3.at n=26A364599
• a(n) is the least number with exactly n divisors of the form 5*k+4.at n=26A364600
• Triangle read by rows: T(n, k) = Lah(n, k)*CatalanNumber(k), and Lah = A271703.at n=42A390725