31073

Appears in sequences

• Expansion of 1/((1-x)(1-4x)(1-6x)(1-9x)).at n=4A021824
• Number of (w,x,y) with all terms in {0,...,n} and w<x+y and x<=y.at n=41A212982
• Total sum of parts of multiplicity 7 in all partitions of n.at n=43A222735
• Number of nX4 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X5 binary array having a sum of one, with rows and columns of the latter in lexicographically nondecreasing order.at n=5A227383
• T(n,k)=Number of nXk 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X(k+1) binary array having a sum of one, with rows and columns of the latter in lexicographically nondecreasing order.at n=39A227385
• T(n,k)=Number of nXk 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X(k+1) binary array having a sum of one, with rows and columns of the latter in lexicographically nondecreasing order.at n=41A227385
• Numbers k for which rank of the elliptic curve y^2=x^3+k*x is 4.at n=29A309031