A080587 Partial sums of A080586.

1, 2, 3, 5, 7, 9, 10, 11, 12, 13, 14, 15, 17, 19, 21, 23, 25, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 89, 91, 93, 95, 97, 99, 101

Offset

0,2

Links

Ivan Neretin, Table of n, a(n) for n = 0..10000

Formula

Also: a(n) = n-2+3*2^A000523(A002264(n+6)/2)*(1-3*A080584(n))+A080584(n)*(n+7). - Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Feb 24 2003

Also: a(n) = 3*2^(A000523(A002264(n+6))-1)*(4-3*A080586(n))+A080586(n)*(n+7)-9. - Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Feb 24 2003

Mathematica

Accumulate[Flatten[Table[{PadRight[{}, 3*2^n, 1], PadRight[{}, 3*2^n, 2]}, {n, 0, 4}]]] (* Harvey P. Dale, May 04 2014 *)

Crossrefs

Sequence in context: A177922 A102246 A089743 * A342190 A175415 A304721

Adjacent sequences: A080584 A080585 A080586 * A080588 A080589 A080590

Keyword

nonn

Author

N. J. A. Sloane, Feb 23 2003

Status

approved