28419

Appears in sequences

• Recip transform of 2*(1 + x^2 + x^5)-1/(1-x).at n=12A049156
• Row sums of signed triangle A062137 (generalized Laguerre, a=3).at n=7A062146
• Number of permutations of length n which avoid the patterns 1243, 2341, 4321.at n=16A116825
• Number of (6+2) X (n+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 3 5 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 3 5 6 or 7.at n=13A252390