1953124
domain: N
Appears in sequences
- a(n) = 5^n - 1.at n=9A024049
- Numbers that are repdigits in base 5.at n=36A048330
- Jordan function J_9(n).at n=4A069094
- a(n) = 4*a(n-1) + 5*a(n-2) for n > 1, with a(0) = 2 and a(1) = 4.at n=9A087404
- a(n) = 0^n + 5^n - 1.at n=9A103455
- Difference of two positive 9th powers.at n=10A181128
- Numbers of the form i*5^j-1 (i=1..4, j >= 0).at n=36A181287
- Monotonic ordering of nonnegative differences 5^i-9^j, for 40>= i>=0, j>=0.at n=37A192199
- Monotonic ordering of nonnegative differences 5^i-10^j, for 40>= i>=0, j>=0.at n=36A192201
- a(n) = n^9 - 1.at n=4A258810
- Sheffer triangle S2[4,1] = (exp(x), exp(4*x) - 1).at n=46A285061
- Triangle read by rows: T(n, m) = A285061(n, m)*m!, 0 <= m <= n.at n=46A285066
- The "Fouriest" numbers: numbers that can be expressed as a string of 4's longer than the original number in some base.at n=11A349031