

A067576


Array T(i,j) read by antidiagonals, where T(i,j) is the jth term whose binary expansion has i 1's.


6



1, 2, 3, 4, 5, 7, 8, 6, 11, 15, 16, 9, 13, 23, 31, 32, 10, 14, 27, 47, 63, 64, 12, 19, 29, 55, 95, 127, 128, 17, 21, 30, 59, 111, 191, 255, 256, 18, 22, 39, 61, 119, 223, 383, 511, 512, 20, 25, 43, 62, 123, 239, 447, 767, 1023, 1024, 24, 26, 45, 79, 125, 247, 479, 895
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OFFSET

1,2


LINKS

Ivan Neretin, Table of n, a(n) for n = 1..8001


MATHEMATICA

a = {}; Do[ a = Append[a, Last[ Take[ Select[ Range[2^13], Count[ IntegerDigits[ #, 2], 1] == j & ], i  j]]], {i, 2, 12}, {j, 1, i  1} ]; a


CROSSREFS

The antidiagonals are read in the opposite direction from those in A066884.
Sequence in context: A194068 A194062 A085177 * A107900 A112922 A305077
Adjacent sequences: A067573 A067574 A067575 * A067577 A067578 A067579


KEYWORD

base,easy,nonn,tabl


AUTHOR

Robert G. Wilson v, Jan 30 2002


STATUS

approved



