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 A085201 Array A(x,y): Position of the concatenation of binary strings A014486(x) & A014486(y) in A014486, listed antidiagonalwise as A(0,0), A(1,0), A(0,1), A(2,0), A(1,1), A(0,2), ... 13
 0, 1, 1, 2, 2, 2, 3, 4, 4, 3, 4, 6, 9, 5, 4, 5, 9, 14, 10, 9, 5, 6, 11, 23, 15, 23, 10, 6, 7, 14, 28, 24, 37, 24, 11, 7, 8, 16, 37, 29, 65, 38, 25, 12, 8, 9, 19, 42, 38, 79, 66, 39, 26, 13, 9, 10, 23, 51, 43, 107, 80, 67, 40, 27, 23, 10, 11, 25, 65, 52, 121, 108, 81, 68, 41, 65, 24, 11 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 COMMENTS This table is induced by the 2-ary form of the list-function 'append' present in the programming languages like Lisp, Scheme and Prolog. LINKS FORMULA a(0, y)=y, a(x, y) = A072764bi(A072771(x), a(A072772(x), y)) a(x, y) = A080300(A085207bi(A014486(x), A014486(y))) = A085200(A085215bi(A071155(y), A071155(x))) PROG (MIT Scheme) (define (A085201bi x y) (A080300 (A085207bi (A014486 x) (A014486 y)))) (define (A085201 n) (A085201bi (A025581 n) (A002262 n))) (define (A085202 n) (A085201bi (A002262 n) (A025581 n))) CROSSREFS Transpose: A085202. Variant: A085203. Row 1: A085223, Column 1: A072795. Cf. also A014486, A080300, A025581, A002262. Sequence in context: A085202 A096009 A000224 * A300401 A051601 A296612 Adjacent sequences:  A085198 A085199 A085200 * A085202 A085203 A085204 KEYWORD nonn,tabl AUTHOR Antti Karttunen Jun 23 2003 STATUS approved

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Last modified February 17 00:49 EST 2020. Contains 331976 sequences. (Running on oeis4.)