67716
domain: N
Appears in sequences
- Expansion of Product_{k>=1} (1 - x^k)^12.at n=41A000735
- Number of polyiamonds with n cells, without holes.at n=14A070765
- Number of cycles of length 3 in the queen graph associated with an n X n chessboard.at n=19A144298
- Number of n X 4 0..6 arrays with no element equal to another within a city block distance of two, and new values 0..6 introduced in row major order.at n=3A206385
- T(n,k)=Number of nXk 0..6 arrays with no element equal to another within a city block distance of two, and new values 0..6 introduced in row major order.at n=24A206389
- Product of sexagesimal digits of Fibonacci numbers in base-60 representation.at n=27A261598
- Fourier coefficients of the modular form (1/t_{6a}) * sqrt( 1-12*sqrt(-3)/t_{6a} ) * F_{6a}^6.at n=41A341563
- Numbers that are the sum of seven fourth powers in exactly ten ways.at n=29A345832
- a(n) = n! * Sum_{d|n} d^n / d!^(n/d).at n=5A358595
- a(n) = n*(6*n^4 + 8*n^3 + 1 - (-1)^n)/16.at n=11A374709
- Fixed points in A376198.at n=55A376201
- G.f. A(x) satisfies A(x)^2 = A( x^2 + 2*x*A(x)^2 + 2*A(x)^4 ).at n=9A378247