736164
domain: N
Appears in sequences
- Coefficients of Legendre polynomials.at n=7A002462
- a(n) is the number of n-step walks on square lattice such that 0 <= y <= x at each step.at n=13A005558
- (Terms in A014762)/4.at n=18A051514
- Low-temperature specific heat expansion for Kagome net (Potts model, q=4).at n=9A057404
- Square associated with twin primes (p,p+2): p(p+2) + 1. Square of the average of twin primes.at n=33A075369
- Central column of triangle A090181.at n=7A125558
- a(n) = binomial(n+7,7)*binomial(n+7,6)/(n+7).at n=7A134288
- Eighth column (and diagonal) of Narayana triangle A001263.at n=6A134289
- Number of 6 X 7 matrices with elements in 0..n with each row and each column in nondecreasing order. 6,7,n can be permuted, see formula.at n=2A140910
- Triangle T(n,m) read by rows: T(n,m) = Product_{i=0..5} binomial(n+i,m)/binomial(m+i,m).at n=47A142465
- Triangle T(n,m) read by rows: T(n,m) = Product_{i=0..5} binomial(n+i,m)/binomial(m+i,m).at n=52A142465
- Triangle T(n,m) read by rows: T(n,m) = Product_{i=0..6} binomial(n+i,m)/binomial(m+i,m).at n=38A142467
- Triangle T(n,m) read by rows: T(n,m) = Product_{i=0..6} binomial(n+i,m)/binomial(m+i,m).at n=42A142467
- Numbers with prime factorization p^2*q^2*r^2*s^2 where p, q, r, and s are distinct primes.at n=11A190377
- Composite numbers whose number of proper divisors has a number of proper divisors which has a prime number of proper divisors.at n=21A223457
- Areas of primitive Heronian triangles K which are perfect squares.at n=19A248108
- a(n) = A284016(n)^2.at n=8A284494
- a(n) is the smallest square s > 0 such that s*(2n+1) is a triangular number.at n=38A344949