22202

Appears in sequences

• Coordination sequence for Cr3Si, Si position.at n=38A009927
• Numbers having four 2's in base 10.at n=6A043500
• Number of fixed polyominoes with n cells and tree-like structure.at n=9A066158
• a(n) = prime(n)^2 + 1.at n=34A066872
• Smallest multiple of n using only digits 0 and 2.at n=16A078241
• Smallest multiple of n using only digits 0 and 2.at n=33A078241
• Smallest multiple of n using only one nonzero digit.at n=33A088599
• Sum of two consecutive squares of Lucas 3-step numbers (A001644).at n=7A106789
• Derived from secondary diagonal of table A124550; a(n) = A124550(n+1,n)/(n+1).at n=5A124559
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 8 and 9.at n=34A136909
• Number of planar n X n X n binary triangular grids with no more than 6 ones in any similarly oriented 4 X 4 X 4 subtriangle.at n=5A153560
• a(n) = 81*n^2 - 72*n + 17.at n=17A154277
• Numbers consisting of either 2's and 0's or 5's and 0's.at n=37A168541
• Numbers whose decimal expansion contains only 0's and 2's.at n=29A169965
• Numbers 3*n + 2 written in base 3.at n=78A190642
• Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,0,4,2 for x=0,1,2,3,4.at n=7A196701
• T(n,k) = Number of n X k 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,1,0,4,2 for x=0,1,2,3,4.at n=37A196707
• T(n,k) = Number of n X k 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,1,0,4,2 for x=0,1,2,3,4.at n=43A196707
• Number of nX5 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX5 array.at n=7A219516
• The smallest numbers of every class in a classification of positive numbers (see comment).at n=36A247395