42090
domain: N
Appears in sequences
- Bosonic string states.at n=41A005308
- Number of strings of numbers x(i=1..n) in 0..5 with sum i^3*x(i)^2 equal to n^3*25.at n=11A184299
- Number of nX3 0..2 arrays with rows, columns, diagonals and antidiagonals unimodal.at n=3A223737
- Number of n X 4 0..2 arrays with rows, columns, diagonals and antidiagonals unimodal.at n=2A223738
- T(n,k)=Number of nXk 0..2 arrays with rows, columns, diagonals and antidiagonals unimodal.at n=17A223742
- T(n,k)=Number of nXk 0..2 arrays with rows, columns, diagonals and antidiagonals unimodal.at n=18A223742
- Irregular triangle read by rows: row n lists the rank sizes of the "electrical" poset EP_n of circular planar graphs with n boundary vertices.at n=69A232967
- Number of polygons formed outside a regular n-gon when every pair of vertices of the n-gon are joined by an infinite line.at n=29A344311
- Denominators of the convergents given by treating A391217 as continued fraction coefficients after the leading 0.at n=12A392259