A050610 - OEIS

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A050610

Sum_{i=0..y} (C(y,i) mod 2)*F(2i+x) = FL(y+x)*A050613(y), where A050613(y) = Product_{i=0..floor(log_2(y+1))} L(2^i)^bit(y,i).

0, 1, 1, 1, 3, 3, 2, 4, 6, 12, 3, 7, 9, 21, 21, 5, 11, 15, 33, 35, 77, 8, 18, 24, 54, 56, 126, 168, 13, 29, 39, 87, 91, 203, 273, 609, 21, 47, 63, 141, 147, 329, 441, 987, 987, 34, 76, 102, 228, 238, 532, 714, 1596, 1598, 3572, 55, 123, 165, 369, 385, 861, 1155, 2583

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

0,5

COMMENTS

Rows cut from column 2 onward form a subset of Wythoff array (A035513), where the terms of column 0 (A051656) give the positions of those rows in that array.

LINKS

Table of n, a(n) for n=0..62.

MAPLE

a(n) = generic_bincoeff_fibsum_as_sum( (n-((trinv(n)*(trinv(n)-1))/2)), (((trinv(n)-1)*(((1/2)*trinv(n))+1))-n) );

CROSSREFS

Transpose of A050609. First row: A000045, second row: A000032, third row: A022086.

Sequence in context: A282545 A306471 A354698 * A374940 A151848 A238238

Adjacent sequences: A050607 A050608 A050609 * A050611 A050612 A050613

KEYWORD

nonn,tabl

AUTHOR

Antti Karttunen, Oct 24 1999

STATUS

approved