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Search: id:A129600
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A129600 Array A(i,j): A(0,0), A(1,0), A(0,1), A(2,0), A(1,1), A(0,2), ... of binary run length encoded product of i and j. +0
3
0, 1, 1, 2, 3, 2, 3, 4, 4, 3, 4, 7, 6, 7, 4, 5, 8, 8, 8, 8, 5, 6, 11, 12, 15, 12, 11, 6, 7, 12, 9, 16, 16, 9, 12, 7, 8, 15, 14, 23, 24, 23, 14, 15, 8, 9, 16, 16, 24, 19, 19, 24, 16, 16, 9, 10, 19, 24, 31, 28, 13, 28, 31, 24, 19, 10, 11, 20, 17, 32, 32, 17, 17, 32, 32, 17, 20, 11, 12 (list; table; graph; listen)
OFFSET

0,4

FORMULA

A(i,j) = A075158( ((A075157(i)+1)*(A075157(j)+1)) - 1)

PROGRAM

(MIT Scheme:)

(define (A129600bi col row) (A075158 (-1+ (* (1+ (A075157 col)) (1+ (A075157 row))))))

(define (A129600 n) (A129600bi (A025581 n) (A002262 n)))

CROSSREFS

A003991, A129601. Center diagonal: A129602. Row 1: apart from the first term, equal to A014601.

Sequence in context: A106788 A123175 A054237 this_sequence A081388 A002372 A035026

Adjacent sequences: A129597 A129598 A129599 this_sequence A129601 A129602 A129603

KEYWORD

nonn,tabl

AUTHOR

Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), May 01 2007

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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