34588806
domain: N
Appears in sequences
- First differences of 7^n (A000420).at n=9A055272
- a(n) = (n-2)*(n-1)^n.at n=7A061250
- Number of palindromes of length n (in base 7).at n=16A117859
- Number of palindromes of length n (in base 7).at n=17A117859
- a(n) = n*(n-1)*7^n.at n=6A128801
- Spiral tiling numbers.at n=28A137333
- a(n) = phi(n^9), where phi = A000010.at n=6A239443
- a(n) = n^9 - n^8.at n=7A240932
- Numbers n such that the n-th cyclotomic polynomial has a root mod 7.at n=35A245479
- Generated by Marf-Low rule 173.at n=25A328086
- Numbers k such that A007913(k) divides sigma(k) and A008833(k)-1 either divides A326127(k) (= sigma(k)-core(k)-k), or both are zero.at n=36A336641