30484

Appears in sequences

• a(n) is the smallest number k such that k^n has the same digits as some other n-th power without leading zeros.at n=16A133208
• Number of -4..4 arrays x(0..n-1) of n elements with zero sum and no two consecutive zero elements.at n=5A199526
• T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with zero sum and no two consecutive zero elements.at n=41A199530
• Number of -n..n arrays x(0..5) of 6 elements with zero sum and no two consecutive zero elements.at n=3A199533
• Numbers m such that (4^m + 11) / 3 is prime.at n=9A261577
• a(n) = 54*n^2 - 26*n + 4 (n>=1).at n=23A304381