90111

Appears in sequences

• a(n) = 11*2^n - 1.at n=13A086225
• Number of connected simple graphs with n vertices, n+4 edges, and vertex degrees no more than 4.at n=10A112424
• Rolling icosahedron face footprints: number of n X n 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal or vertical neighbor moves across an icosahedral edge.at n=3A223203
• Rolling icosahedron face footprints: number of n X 4 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal or vertical neighbor moves across an icosahedral edge.at n=3A223205
• T(n,k)=Rolling icosahedron face footprints: number of nXk 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal or vertical neighbor moves across an icosahedral edge.at n=24A223209
• Number of length-n 0..2 arrays with no following elements greater than or equal to the first repeated value.at n=13A267226
• Decimal representation of the middle column of the "Rule 233" elementary cellular automaton starting with a single ON (black) cell.at n=16A267880
• Bases in which 11 is a unique-period prime.at n=39A306076
• Figurate numbers based on the small stellated dodecahedron: a(n) = n*(21*n^2 - 33*n + 14)/2.at n=20A318159
• Numbers k such that the odd part of (1+k) divides (1 + odd part of A048250(k)), where A048250 is sum of the squarefree divisors of n.at n=23A387410
• Numbers k such that the odd part of (1+k) divides (1 + odd part of A003959(k)), where A003959 is multiplicative with a(p^e) = (p+1)^e.at n=26A387419