12754584

Appears in sequences

• a(n) = 8*3^n.at n=13A005051
• a(n) = number of (s(0), s(1), ..., s(n)) such that every s(i) is an integer, s(0) = 0, |s(i) - s(i-1)| = 1 for i = 1,2,3; |s(i) - s(i-1)| <= 1 for i >= 4. Also a(n) = sum of numbers in row n+1 of the array T defined in A026082 and a(n) = 24*3^(n-4) for n >= 4.at n=16A026097
• a(n) = 2^A066657(n) * 3^A066658(n).at n=24A076941
• First differences of A003946.at n=15A080923
• a(n) = (8*3^n - 5*0^n)/3.at n=14A083583
• Number of meaningful differential operations of the n-th order on the space R^8.at n=26A090993
• Coefficient of q^n in (1-q)^3/(1-3q); dimensions of the enveloping algebra of the derived free Lie algebra on 3 letters.at n=16A118264
• a(n) = floor(n*3^(n/2)).at n=23A128443
• a(n) = (n^3 - n^2)*3^n.at n=8A128986
• Number of zig-zag paths from top to bottom of a rectangle of width 5 with n rows whose color is that of the top right corner.at n=28A153339
• Number of (n+1)X2 0..1 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor.at n=25A205187
• Number of 7Xn 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally or antidiagonally.at n=3A233160
• Numbers of the form i^j * j^k * k^i, where i,j,k > 1.at n=34A259406
• a(n) = a(floor(n/2))*a(ceiling(n/2)), where a(0) = 1, a(1) = 2, a(2) = 3.at n=29A298413