466830

Appears in sequences

• 4-dimensional figurate numbers: a(n) = (5*n-1)*binomial(n+2,3)/4.at n=38A002418
• Kaprekar numbers: positive numbers n such that n = q+r and n^2 = q*10^m+r, for some m >= 1, q >= 0 and 0 <= r < 10^m, with n != 10^a, a >= 1.at n=35A006886
• Related to sextic factorial numbers A008542.at n=4A034789
• Kaprekar numbers: numbers k such that k = q + r and k^2 = q*10^m + r, for some m >= 1, q >= 0 and 0 <= r < 10^m. Here q and r must both have the same number of digits.at n=17A045913
• The full list of 6-Kaprekar numbers.at n=14A053397
• Another version of the Kaprekar numbers (A006886): n such that n = q+r and n^2 = q*10^m+r, for some m >= 1, q >= 0 and 0 <= r < 10^m, with n != 10^a, a >= 1 and n an m-digit number.at n=32A053816
• A convolution triangle of numbers obtained from A034789.at n=10A092083
• a(n) = binomial(n+2,2)*binomial(n+5,2).at n=34A105938
• Triangle T(n,k) represents the coefficients of (x^13*d/dx)^n, where n=1,2,3,...; generalization of Stirling numbers of second kind A008277, Lah-numbers A008297.at n=17A223515
• Square roots of terms in A238237.at n=21A290449
• Kaprekar numbers (A006886) that are divisible by the sum of their digits.at n=13A382165