34100

Appears in sequences

• a(n) = floor(n*phi^15), where phi is the golden ratio, A001622.at n=25A004930
• a(n) = round(n*phi^15), where phi is the golden ratio, A001622.at n=25A004950
• Series for first parallel moment of hexagonal lattice.at n=8A006736
• Icosagonal numbers divisible by 20.at n=13A117798
• Irregular triangle T(n, k) = A000032(n-2*k+1) if (n-2*k) mod 2 = 0, otherwise 25*A000032(n-2*k), read by rows.at n=64A158786
• Number of (n+1)X4 0..2 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=3A204835
• Number of (n+1)X5 0..2 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=2A204836
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=17A204840
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=18A204840
• Number of 2 X 2 matrices with all elements in {0,1,...,n} and positive odd determinant.at n=20A210373
• Number of 2 X 2 matrices having all terms in {-n,...,0,..,n} and positive odd determinant.at n=9A211158
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1)*b(n-2), where a(0) = 1, a(1) = 3, a[2] = 5, b(0) = 2, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.at n=15A295364
• a(n) is the number of regions formed by n-secting the angles of a decagon.at n=41A335800