22556

Appears in sequences

• Number of partitions into non-integral powers.at n=11A000333
• Integers k > 10577 such that the 'Reverse and Add!' trajectory of k joins the trajectory of 10577.at n=9A063434
• a(0)=-5, a(1)=6; thereafter a(n) = 2*a(n-1) + a(n-2).at n=11A221175
• Numbers n such that 3^9*2^n - 1 is prime.at n=27A231374
• Expansion of (-3/2+(x^3+3*x)/(sqrt(x^4-4*x^3-2*x^2+1)*2*x)).at n=17A247170
• Number of integers in n-th generation of tree T(2^(-1/2)) defined in Comments.at n=35A274156
• p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - 2 S - S^2.at n=8A291382
• Expansion of exp(Sum_{k>=1} (-1)^(k+1)*x^k/(k*sqrt(1 - 4*x^k))).at n=9A305256
• a(n) = coefficient of x^n*y^n in Product_{n>=1} (1 - (x^n + y^n)).at n=109A322213
• Number of integer partitions of n whose LCM is a multiple of n.at n=52A327778
• a(n) is the number of smallest parts in the overpartitions of n having even smallest part.at n=28A335728
• Numbers k such that w(k), w(k+1), and w(k+2) are all odd, where w is A336957.at n=8A337644
• Numbers whose sum of even digits and sum of odd digits are equal and whose digits are in nondecreasing order.at n=39A340125
• a(n) = number of non-orientable genus 5 maps with n edges.at n=6A348806
• Triangle read by rows: T(n,k) is the number of n edge non-orientable genus k maps.at n=19A380235