Vertex number of a rectangular spiral related to Fibonacci numbers and prime numbers. The distances between nearest edges of the spiral that are parallel to the initial edge are the Fibonacci numbers, while the distances between nearest edges perpendicular to the initial edge are the prime numbers.
A160794
Vertex number of a rectangular spiral related to Fibonacci numbers and prime numbers. The distances between nearest edges of the spiral that are parallel to the initial edge are the Fibonacci numbers, while the distances between nearest edges perpendicular to the initial edge are the prime numbers.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =5a(4) =7a(5) =13a(6) =17a(7) =28a(8) =35a(9) =53a(10) =65a(11) =94a(12) =114a(13) =156a(14) =189a(15) =248a(16) =302a(17) =380a(18) =468a(19) =569a(20) =712a(21) =842a(22) =1074a(23) =1235a(24) =1611a(25) =1809a(26) =2418a(27) =2657a(28) =3643a(29) =3925
External references
- oeis: A160794