27370

Appears in sequences

• a(n) = n*(n+1)*(2*n+1)/3.at n=34A006331
• Numerators of continued fraction convergents to sqrt(846).at n=10A042632
• Expansion of 1/((1-x)^5 - x^5).at n=13A049016
• Expansion of (1-x)/((1-2x)(1+x-x^2)).at n=16A052964
• Expansion of (1-4*x+2*x^2)/(1-7*x+13*x^2-4*x^3).at n=8A078789
• Inverse binomial transform of Fibonacci oblongs.at n=17A084178
• Where A098018(k)=n.at n=10A098869
• Numbers n such that the sum of the digits of the n-th Fibonacci number written in bases 2, 3, 5 and 7 is prime.at n=32A111064
• Numbers k such that phi(k)*k is a triangular number.at n=11A115910
• Row sums of A123539.at n=25A123540
• a(n) = Sum_{ k >= 0} binomial(n,5*k+3).at n=17A139748
• a(n) = Sum_{k >= 0} binomial(n,5*k+4).at n=17A139761
• a(n) = Sum_{k == floor(n/2) (mod 5)} C(n,k).at n=17A173125
• Number of partitions p of n such that max(p) - min(p) = 10.at n=41A218573
• Sum of the areas of the squares on the sides of the distinct rectangles that can be made with positive integer sides such that L + W = n, W < L.at n=34A294473
• Expansion of e.g.f. exp( Sum_{k>=0} x^(5*k+4) / (5*k+4)! ).at n=18A365895