a(n) = 6*a(n-1) - a(n-2) for n > 1; a(0) = 1, a(1) = 15.
A164541
a(n) = 6*a(n-1) - a(n-2) for n > 1; a(0) = 1, a(1) = 15.
Terms
- a(0) =1a(1) =15a(2) =89a(3) =519a(4) =3025a(5) =17631a(6) =102761a(7) =598935a(8) =3490849a(9) =20346159a(10) =118586105a(11) =691170471a(12) =4028436721a(13) =23479449855a(14) =136848262409a(15) =797610124599
External references
- oeis: A164541