19161

Appears in sequences

• Denominators of continued fraction convergents to fifth root of 5.at n=10A002363
• Partial sums of A000009 (partitions into distinct parts).at n=46A036469
• 3^n+3n4^(n-1).at n=6A086091
• Recurrence sequence based on positions of digits in decimal places of gamma, the Euler-Mascheroni constant.at n=6A098321
• Numbers that are the same upside down (using only digits 0, 1, 6 and 9).at n=30A169731
• Number of emergent parts in all partitions of n.at n=36A182699
• Number of (w,x,y,z) with all terms in {1,...,n} and w <= harmonic mean of {x,y,z}.at n=15A212104
• T(n,k) = Number of (n+1) X (k+1) 0..2 arrays x(i,j) with row sums Sum_{j=1..k+1} x(i,j) nondecreasing, and column sums Sum_{i=1..n+1} i*x(i,j) nondecreasing.at n=21A233117
• Number of (1+1)X(n+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i*x(i,j), i=1..1+1} nondecreasing.at n=6A233118
• Number of partitions of n having depth 2; see Comments.at n=42A237750
• The 360 degree spoke (or ray) of a hexagonal spiral of Ulam.at n=40A244803
• Strobogrammatic nonpalindromic numbers.at n=26A287092
• Number of separable partitions of n in which the number of distinct (repeatable) parts <= 4.at n=48A325713
• Records in A352187.at n=53A352191
• Number of vertices formed in a square by straight line segments when connecting the four corner vertices to the points dividing the sides into n equal parts.at n=33A355949
• Number of ASCII letter 'A' bytes that when compressed with zlib generate a new record longest compressed byte stream.at n=34A375585