32805
domain: N
Appears in sequences
- Numbers that are the sum of 5 nonzero 8th powers.at n=20A003383
- Numbers of the form 3^i*5^j with i, j >= 0.at n=39A003593
- a(n) = 5*3^n.at n=8A005030
- From a problem concerning circulant matrices and Gauss sums.at n=8A007792
- Triangle of coefficients in expansion of (1+9x)^n.at n=19A013616
- a(n) = (2*n - 9)*n^2.at n=27A015243
- First occurrence of exactly n identical terms in A007448.at n=37A016046
- a(n) = n*(n-1)^4/2.at n=10A019583
- Numbers of form 5^i*9^j, with i, j >= 0.at n=21A025624
- Numbers k that divide the (right) concatenation of all numbers <= k written in base 3 (most significant digit on left).at n=30A029448
- A convolution triangle of numbers obtained from A036068.at n=28A030524
- Numbers whose prime factors are 3 and 5.at n=23A033849
- Expansion of (-1+1/(1-3*x)^3)/(9*x).at n=7A036068
- Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*1^j.at n=16A038291
- Numbers having four 0's in base 9.at n=4A043456
- Odd numbers divisible by exactly 9 primes (counted with multiplicity).at n=1A046322
- a(n) = n*9^(n-1).at n=4A053540
- Numbers k that can be expressed as k = w + x = y*z with w*x = y^3 + z^3 where w, x, y, and z are all positive integers.at n=40A057372
- Coefficients of replicable function number 12b.at n=14A058490
- Number of divisors (A000005) of the Wonderful Demlo numbers A002477.at n=44A063750