131039

Appears in sequences

• Numbers that contain a single zero in bases 2 and 10.at n=36A118681
• The number of order-preserving partial isometries (of an n-chain) of fix zero (fix of alpha = 0). Equivalently, the number of order-preserving partial derangement isometries (of an n-chain).at n=16A183155
• Number of binary digits in the high-water marks of the terms of the continued fraction of the base-2 Champernowne constant.at n=16A244331
• Where the difference A055938(n) - A005187(n) obtains record values; positions of records in A257126.at n=26A257130
• The real part of b(n) where b(n) = (n + b(n-1)) * (1 + i) with b(-1)=0; i = sqrt(-1).at n=33A309878
• Number of ways to select 3 or more collinear points from a 4 X n grid.at n=14A355552
• The difference between number of even and number of odd Grassmannian permutations of size n.at n=33A356185