21437
domain: N
Appears in sequences
- a(n) = floor((n^3)/2).at n=35A036487
- Sum of squares of digits of n is equal to the largest prime factor of n reversed, where the largest prime factor is not a palindrome.at n=33A074303
- a(n) = ((2*n+1)^3+(-1)^n)/2.at n=17A175109
- Floor(1/{(8+n^4)^(1/4)}), where {}=fractional part.at n=34A184632
- Number of (w,x,y,z) with all terms in {0,...,n} and 2w=floor((x+y+z)/2).at n=34A212747
- A027642(6*n+6)/(sequence of period 2:repeat 42,210).at n=15A216639
- a(n) = 4*n^3 - 6*n^2 + 3*n - 1.at n=17A268201
- Maximally idempotent integers with three or more factors.at n=34A306812