27999
domain: N
Appears in sequences
- Number of partitions into non-integral powers.at n=26A000158
- Triangle read by rows: T(n, k) = 10^(n-1) - 1 + k*floor(9*10^(n-1)/n), for 1 <= k <= n.at n=10A093846
- First column of triangle A093846.at n=4A093847
- Numbers of the form 110 + p^2. (where p is a prime).at n=38A138693
- a(n) = 70*n^2 - 1.at n=19A158736
- Number of 2 X 2 matrices with all terms in {-n,..,0,..,n} and (sum of terms) = determinant.at n=25A281194
- Number of 12-regular partitions of n (no part is a multiple of 12).at n=39A328546
- a(n) is the minimum number whose product of digits contains n digits.at n=4A329537
- Numbers k such that abs(A328258(k)) = abs(A328258(k+1)).at n=29A348586
- a(n) = Sum_{k=0..floor(n/2)} 2^k * binomial(2*n-2*k+1,2*k+1).at n=9A387627