155760

Appears in sequences

• Expansion of 1/(1 - 11*x + x^2).at n=5A004190
• a(n) = (n+1)*(2*n+1)*(3*n+1).at n=29A011199
• Consider all integer triples (i,j,k), j,k>0, with i^3=j^3+binomial(k+2,3), ordered by increasing i; sequence gives i values.at n=39A054234
• Icosagonal numbers divisible by 20.at n=27A117798
• A product triangle sequence based on recursion:a=5; f(n,a)=(2*a+1)*f(n-1,a)+f(n-2,a).at n=22A173006
• A product triangle sequence based on recursion:a=5; f(n,a)=(2*a+1)*f(n-1,a)+f(n-2,a).at n=26A173006
• Lesser of semi-unitary amicable numbers pair: numbers (m, n) such that susigma(m) = susigma(n) = m + n, where susigma(n) is the sum of the semi-unitary divisors of n (A322485).at n=18A322541