42672

Appears in sequences

• Triangle, read by rows: T(n,k) = (1/2)*Sum_{j=0..2^n-1} j^k for k=0..n-1, n>=1; related to the Prouhet-Tarry-Escott problem.at n=17A140047
• Weight distribution of [128,22,48] extended binary primitive BCH (or XBCH) code.at n=6A147635
• Weight distribution of [128,22,48] extended binary primitive BCH (or XBCH) code.at n=10A147635
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 1, 1), (1, 0, -1), (1, 1, 0)}.at n=8A150603
• Table read by rows of numbers of unordered pairs of partitions of n-element set that have Rand distance k (n>=2, 1 <= k <= n(n-1)/2).at n=39A192100
• Number of strict partitions of 2n having 1 more even part than odd, so that there is at least one ordering of the parts in which the even and odd parts alternate, and the first and last terms are even.at n=48A239872
• Expansion of Product_{k>=1} ((1 - x^k)/(1 + x^k))^(sigma(k)).at n=32A320971