311364

Appears in sequences

• Squares k such that digits of sqrt(k) are not present in k or k^(3/2).at n=14A029791
• Squares in which the k-th significant digit either divides k or is a multiple of k.at n=29A069560
• Squares appearing in A062064: a(n) = A062064(n) + A062064(n+1).at n=31A134537
• Squares n with digit 1 that remain positive square after omitting all 1's from n.at n=14A176899
• Expansion of e.g.f.: exp(9*x/(1-x)) / sqrt(1-x^2).at n=5A202833
• Number of nX4 binary arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=6A203281
• Number of nX7 binary arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=3A203284
• T(n,k)=Number of nXk binary arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=48A203285
• T(n,k)=Number of nXk binary arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=51A203285
• Number of nX2 0..3 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=4A223404
• T(n,k)=Number of nXk 0..3 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=16A223406
• T(n,k)=Number of nXk 0..3 arrays with all rows and columns having a nonnegative second derivative in a quadratic least squares fit, with one and two element arrays taken as having a zero second derivative.at n=19A223406
• Number of (n+2)X(1+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum.at n=1A257014
• Number of (n+2)X(2+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum.at n=0A257015
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum.at n=1A257017
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum.at n=2A257017
• Squares whose arithmetic mean of digits is 3 (i.e., the sum of digits is 3 times the number of digits).at n=32A316483
• Numbers N of the form m^k in ascending order having the property that for any choice of m and k such that N = m^k, the sets of distinct digits of m, k, and m^k are pairwise disjoint.at n=30A353057
• Squares in A353729.at n=10A367451