119305

Appears in sequences

• a(n) = a(n-1) + a(n-5); a(0) = ... = a(4) = 1.at n=44A003520
• sech(arctan(arctan(x)))=1-1/2!*x^2+21/4!*x^4-1149/6!*x^6+119305/8!*x^8...at n=4A012211
• Expansion of 1/(1 -x^5 -x^6 -x^7 - ...).at n=49A017899
• a(1)=1; a(n)=sum(u=1,n-1,sum(v=1,u,sum(w=1,v,sum(x=1, w,sum(y=1,x,a(y)))))).at n=9A079675
• Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,2,3}.at n=46A079955
• A quadrisection of 1/(1-x-x^5).at n=11A099235
• Sum C(n-4k,k-1), k=0..floor(n/5).at n=48A099562
• Expansion of 1/(1 - x - 2*x^3 - x^5).at n=22A193147