170017
domain: N
Appears in sequences
- Expansion of 1/(1-x^3-x^4-x^5-x^6-x^7-x^8-x^9-x^10-x^11-x^12-x^13).at n=36A017826
- Start with 100057 and repeatedly reverse the digits and add 2 to get the next term.at n=15A120217
- a(n) = (n in base 10) * (n in base 2).at n=17A127906
- Numbers k which are concatenations k=x//y such that x^2 + y^2 is a multiple of k.at n=40A162463
- Product of exactly three distinct primes congruent to 1 mod 8 (A007519).at n=12A185379
- Numbers k dividing every cyclic permutation of k^3.at n=37A242680
- a(n) = Sum_{d|n} phi(d)^4.at n=32A342470