823543
domain: N
Appears in sequences
- a(n) = n^n; number of labeled mappings from n points to themselves (endofunctions).at n=7A000312
- Powers of 7: a(n) = 7^n.at n=7A000420
- Seventh powers: a(n) = n^7.at n=7A001015
- Numbers of the form 5^i*7^j with i, j >= 0.at n=38A003595
- Numbers of the form 7^i*11^j.at n=26A003599
- Numbers that are the sum of at most 2 positive 7th powers.at n=28A004864
- Integers of the form Product p_j^k_j = Product k_j^p_j; p_j in A000040.at n=22A008478
- Triangle of coefficients in expansion of (1+7x)^n.at n=34A013614
- Triangle of coefficients in expansion of (1+7x)^n.at n=35A013614
- Triangle of coefficients in expansion of (2 + 7*x)^n.at n=35A013623
- Triangle of coefficients in expansion of (3+7x)^n.at n=35A013624
- Triangle of coefficients in expansion of (4+7x)^n.at n=35A013625
- a(n) = 7^(2*n + 1).at n=3A013712
- a(n) = 7^(3*n + 1).at n=2A013740
- a(n) = 7^(4*n + 3).at n=1A013787
- a(n) = 7^(5*n + 2).at n=1A013843
- n is equal to the number of 4s in all numbers <= n written in base 7.at n=2A014888
- n is equal to the number of 5s in all numbers <= n written in base 7.at n=6A014889
- Numbers k that divide 8^k - 1.at n=19A014949
- Numbers k such that k | 6^k + 1.at n=28A015953