73788

Appears in sequences

• Expansion of (2 - x)^4/(1 - x)^8.at n=10A006637
• Numbers k such that 263*2^k-1 is prime.at n=20A050890
• Number of connected 3-element multiantichains on a labeled n-set.at n=7A094735
• Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to 2.at n=10A180282
• Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to n-10.at n=1A180300
• Number of set partitions of [n] into exactly seven blocks where sizes of distinct blocks are coprime.at n=6A280885
• Number of nXn 0..1 arrays with every element unequal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=4A318092
• Number of nX5 0..1 arrays with every element unequal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=4A318095
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=40A318098
• Number of ways to write n as an ordered sum of 8 primes (counting 1 as a prime).at n=22A341987
• Number of triangles inside a regular n-gon formed by intersecting line segments, considering all configurations of 3 line segments from 6 distinct vertices.at n=19A363173