37500

Appears in sequences

• Triangle of coefficients in expansion of (2+5x)^n.at n=25A013621
• Triangle of coefficients in expansion of (2+5x)^n.at n=26A013621
• Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*2^j.at n=22A038244
• Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*2^j.at n=23A038244
• Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*12^j.at n=16A038254
• Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*5^j.at n=19A038331
• Numbers whose product of exponents is equal to the sum of prime factors.at n=33A071175
• Hypotenuses for which there exist exactly 5 distinct Pythagorean triangles.at n=9A084649
• a(n) = least multiple of n such that the geometric mean of a(1), ..., a(n) is an integer.at n=4A095210
• Numbers n such that the period length P(n) of the Fibonacci sequence mod n is a multiple of n.at n=34A105953
• Numbers of the form (5^i)*(12^j), with i, j >= 0.at n=19A108201
• Triangle, read by rows, T(n,k) = numerator of the maximum of the k-th Bernstein polynomial of degree n; denominator is A128434.at n=30A128433
• Triangle, read by rows, T(n,k) = numerator of the maximum of the k-th Bernstein polynomial of degree n; denominator is A128434.at n=33A128433
• a(n) = (n^3 - n)*5^n.at n=3A128963
• The n-th arithmetic derivative of 5^6.at n=3A129152
• a(2n+2) = 6*a(2n+1), a(2n+1) = 6*a(2n) - 5^n*A000108(n), a(0)=1.at n=6A156195
• Number of 11 X 11 arrays of squares of integers, symmetric about the diagonal and under 90-degree rotation, with all rows summing to n.at n=52A156407
• Totally multiplicative sequence with a(p) = 5*(p+3) for prime p.at n=41A167324
• Binomial convolution of the Floor-Sqrt transform of Catalan numbers.at n=10A192653
• Numbers n for which n*n'/(n+n') is an integer, where n' is the arithmetic derivative of n.at n=22A210935