3779136
domain: N
Appears in sequences
- Numbers of form 8^i*9^j, with i, j >= 0.at n=33A025633
- Third column of triangle A055864.at n=7A055070
- Coefficient triangle for certain polynomials.at n=30A055864
- a(n) = 64*9^(n-2), a(0)=1, a(1)=7.at n=7A055995
- Numbers which in at least two ways are the product of two distinct numbers with the same digits (leading zeros are forbidden).at n=11A077760
- Row 3 of array in A288580.at n=12A092397
- a(n) = (n^3 + n^2)*3^n.at n=7A129003
- a(n) = 2^(n*(n-1)/2)*3^(n*(n+1)/2).at n=4A171739
- Number of (n+1) X 6 0..2 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that b(i,j)*b(i-1,j)-c(i,j)*c(i,j-1) is nonzero.at n=2A204103
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that b(i,j)*b(i-1,j)-c(i,j)*c(i,j-1) is nonzero.at n=23A204106
- T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that b(i,j)*b(i-1,j)-c(i,j)*c(i,j-1) is nonzero.at n=25A204106
- Squares of the form x^3 + 2*y^3, with x, y > 0.at n=18A219728
- Maximal values of permanent on (0,1) square matrices of order n with row and column sums 3.at n=23A232553
- Number of (n+2) X (1+2) 0..1 arrays with no 3 x 3 subblock diagonal sum equal to the antidiagonal sum or central row sum equal to the central column sum.at n=9A258918
- a(n) = a(floor(n/2))*a(ceiling(n/2)), where a(0) = 1, a(1) = 2, a(2) = 3.at n=26A298413
- a(0) = 1; for n > 0, a(n) = A002828(n) * a(n-A002828(n)), where A002828(n) is the least number of squares that add up to n.at n=43A320002
- Numbers whose number of divisors is coprime to 30.at n=16A354178
- Squares k such that phi(k) is a cube.at n=10A358051
- Exponentially evil squares.at n=16A367803
- Numbers with 11 odd divisors.at n=6A368950