341880

Appears in sequences

• Areas of more than one primitive Pythagorean triangle.at n=8A024407
• Smallest number that is the area of n distinct Pythagorean triangles.at n=3A055193
• McKay-Thompson series of class 18d for the Monster group.at n=31A058539
• Numbers that can be expressed as the difference of the squares of primes in exactly sixteen distinct ways.at n=1A092012
• Duplicate of A055193.at n=3A094805
• Numbers with prime factorization p*q*r*s*t*u^3 (where p, q, r, s, t, u are distinct primes).at n=16A190378
• Record (maximal) gaps between prime septuplets (p, p+2, p+8, p+12, p+14, p+18, p+20).at n=2A201251
• Triangle where the g.f. for row n equals d^n/dx^n (1+x+x^2)^n / n! for n>=0, as read by rows.at n=48A220178
• Number of reduced maximal pairs of orthogonal Latin squares.at n=6A266171
• Numbers n such that the multiplicative group modulo n is the direct product of 7 cyclic groups.at n=17A272597
• Numbers n such that there exist exactly four distinct Pythagorean triangles, at least one of them primitive, with area n.at n=0A291420
• Numbers that are product of a hexagonal number (A000384) and a square pyramidal numbers (A000330) in at least two ways.at n=34A306121
• a(n) is the smallest number that has exactly n repdigit divisors.at n=21A355699
• The second row of generalized Knuth's old sum.at n=4A371017
• Area of the unique primitive Pythagorean triple whose inradius is A000045(n) and such that its long leg and its hypotenuse are consecutive natural numbers.at n=10A382610
• Area of the unique primitive Pythagorean triple whose inradius is A000217(n) and such that its long leg and its hypotenuse are consecutive natural numbers.at n=10A383833
• Area of the unique primitive Pythagorean triple (a,b,c) such that (a-b+c)/2 = A002378(n) and its long leg and hypotenuse are consecutive natural numbers.at n=7A385187