29889

Appears in sequences

• a(n) = (2*n - 13)*n^2.at n=27A015246
• Numbers n such that n is a substring of its square in base 6 (written in base 10).at n=43A018830
• Product of n with sum of next n consecutive integers.at n=26A036659
• Numerators of continued fraction convergents to sqrt(685).at n=6A042316
• Odd numbers divisible by exactly 7 primes (counted with multiplicity).at n=32A046320
• 9th binomial transform of (1,8,0,0,0,0,0,0,.....).at n=4A081044
• First differences of [0, A047970].at n=9A112532
• Nine times hexagonal numbers: a(n) = 9*n*(2*n-1).at n=41A152994
• a(n) = n^3*(n^2 + 1)/2.at n=9A168178
• a(n) = n^6*(n^4 + 1)/2.at n=3A168564
• a(n) = prime(n)^2 - n.at n=39A182174
• a(n) = floor(n^(3/2))*floor(3+n^(3/2))/2.at n=38A185593
• Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=17A192955
• Number A(n,k) of n X k nonconsecutive tableaux; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=49A214021
• Number of 4 X n nonconsecutive tableaux.at n=5A214875
• Numbers of the form (3^j + 9^k)/2, for j and k >= 0.at n=46A226793
• Automorphic numbers: n^2 ends with n in base 6.at n=11A237583
• This sequence and A259987 are base-6 analogs of A007185 and A016090, written in base 10.at n=5A259986
• a(n) = first term in A278291 with n prime factors.at n=6A278294
• Triangle read by rows: T(n,m) is the number of pattern classes in the (n,m)-rectangular grid with 9 colors and n>=m, two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=16A286920