74451

Appears in sequences

• a(n) = floor(a(n-2)^2/a(n-1)) + a(n-1) + a(n-2), a(0) = 0, a(1) = 1, a(2) = 1, ...at n=20A096081
• Expansion of 1/(1 - x + x^3 - 3*x^4 + x^5 - x^7 + x^8).at n=37A147593
• Number of 4 X n integer matrices (m_{i,j}) such that m_{1,1}=0, m_{4,n}=2, and all rows, columns, and falling diagonals are (weakly) monotonic without jumps of 2.at n=10A323968
• Number of 10 X n integer matrices (m_{i,j}) such that m_{1,1}=0, m_{10,n}=2, and all rows, columns, and falling diagonals are (weakly) monotonic without jumps of 2.at n=4A323974