_Amarnath Murthy (amarnath_murthy(AT)yahoo.com), _, Nov 15 2005

More terms from _R. J. Mathar (mathar(AT)strw.leidenuniv.nl), _, Aug 31 2007

nonn,new

nonn

More terms from Richard R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 31 2007

a(1) = 1, a(2) = 3, a(n+1) = least number of the form k*(a(n-1)) - a(n), not included earlier.

1, 3, 2, 4, 6, 10, 8, 12, 20, 16, 24, 40, 32, 48, 80, 64, 96, 160, 128, 192, 320, 256, 384, 640, 512, 768, 1280, 1024, 1536, 2560, 2048, 3072, 5120, 4096, 6144, 10240, 8192, 12288, 20480, 16384, 24576, 40960, 32768, 49152, 81920, 65536, 98304, 163840

a(3n+4) = 2*a(3n+1)= 2^(n+2). a(3n+5) = 2*a(3n+2). = 3*2^(n+1). a(3n+6) = 2*a(3n+3). =5*2^(n). From a(4) onwards on the terms match with that of A114743.

more,nonn,new

nonn

More terms from Richard J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 31 2007

a(1) =1, a(2) = 3, a(n+1) = least number of the form k*(a(n-1)) - a(n), not included earlier.

1, 3, 2, 4, 6, 10, 8, 12, 20, 16, 24, 40, 32, 48, 80, 64

1,2

a(3n+4) = 2*a(3n+1)= 2^(n+2). a(3n+5) = 2*a(3n+2). = 3*2^(n+1). a(3n+6) = 2*a(3n+3). =5*2^(n). a(4) onwards terms match with that of A114743.

Cf. A114743, A114744.

more,nonn

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 15 2005

approved