41745

Appears in sequences

• Rook polynomials.at n=10A005777
• Expansion of Product_{m>=1} (1+q^m)^(-3).at n=44A022598
• McKay-Thompson series of class 32a for the Monster group.at n=44A107635
• a(n) = NumberOfPartitions(n) * ( tau(n)-1 ).at n=31A141670
• Triangle read by rows: T(n, k) = (5*n-5*k+1)*T(n-1, k-1) +(5*k-4)*T(n-1, k) + 5*T(n-2, k-1) with T(n, 1) = T(n, n) = 1.at n=17A144442
• Triangle read by rows: T(n, k) = (5*n-5*k+1)*T(n-1, k-1) +(5*k-4)*T(n-1, k) + 5*T(n-2, k-1) with T(n, 1) = T(n, n) = 1.at n=18A144442
• Expansion of Product_{k > 0} (1 + A005229(k)*x^k).at n=28A147880
• Number of natural numbers between exponents of successive Mersenne primes.at n=26A157891
• Number of nX2 arrays of occupancy after each element stays put or moves to some king-move neighbor, without move-in move-out left turns.at n=4A221774
• T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some king-move neighbor, without move-in move-out left turns.at n=16A221776
• T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some king-move neighbor, without move-in move-out left turns.at n=19A221776
• Number of (n+2)X(2+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 or 4.at n=6A252026
• Number of (n+2)X(7+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 or 4.at n=1A252031
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 or 4.at n=29A252032
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 or 4.at n=34A252032
• Triangle read by rows: coefficients of rook polynomials.at n=76A259985
• Triangle read by rows. Convolution triangle of the Bell numbers.at n=58A357583
• Numbers k such that sigma(k) = psi(k) + tau(k)^2.at n=36A390296