Define the sequence S(a_0,a_1) by a_{n+2} is the least integer such that a_{n+2}/a_{n+1} > a_{n+1}/a_n for n >= 0. This is S(2,7).
A018907
Define the sequence S(a_0,a_1) by a_{n+2} is the least integer such that a_{n+2}/a_{n+1} > a_{n+1}/a_n for n >= 0. This is S(2,7).
Terms
- a(0) =2a(1) =7a(2) =25a(3) =90a(4) =325a(5) =1174a(6) =4241a(7) =15321a(8) =55349a(9) =199956a(10) =722370a(11) =2609667a(12) =9427803a(13) =34059315a(14) =123044249a(15) =444515318a(16) =1605876501a(17) =5801463374a(18) =20958633656a(19) =75716124779a(20) =273535557978a(21) =988187148996
External references
- oeis: A018907