Let e_n(k)>=0 denote the exponent of prime(k) in the prime power representation of n. The sequence lists 1 followed by numbers n for which e_n(2*i-1)=e_n(2*i), for all i>=1.
A275407
Let e_n(k)>=0 denote the exponent of prime(k) in the prime power representation of n. The sequence lists 1 followed by numbers n for which e_n(2*i-1)=e_n(2*i), for all i>=1.
Terms
- a(0) =1a(1) =6a(2) =35a(3) =36a(4) =143a(5) =210a(6) =216a(7) =323a(8) =667a(9) =858a(10) =1147a(11) =1225a(12) =1260a(13) =1296a(14) =1763a(15) =1938a(16) =2491a(17) =3599a(18) =4002a(19) =4757a(20) =5005a(21) =5148a(22) =5767a(23) =6882a(24) =7350a(25) =7387a(26) =7560a(27) =7776a(28) =9797a(29) =10578
External references
- oeis: A275407