One of the two successive approximations up to 7^n for the 7-adic integer sqrt(-5). These are the numbers congruent to 4 mod 7 (except for the initial 0).
A290809
One of the two successive approximations up to 7^n for the 7-adic integer sqrt(-5). These are the numbers congruent to 4 mod 7 (except for the initial 0).
Terms
- a(0) =0a(1) =4a(2) =32a(3) =32a(4) =1404a(5) =13409a(6) =97444a(7) =215093a(8) =3509265a(9) =15038867a(10) =257160509a(11) =1669536754a(12) =5624190240a(13) =19465477441a(14) =310132508662a(15) =310132508662
External references
- oeis: A290809