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Search: id:A049843
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| A049843 |
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Triangular array T read by rows: T(n,k)=number of nonzero remainders when Euclidean algorithm acts on primes p(n) and p(k), k=1,2,...,n-1; n=2,3,4,... |
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4
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| 1, 1, 2, 1, 1, 2, 1, 2, 1, 3, 1, 1, 3, 2, 2, 1, 2, 2, 2, 3, 2, 1, 1, 2, 3, 4, 2, 2, 1, 2, 3, 2, 1, 3, 3, 3, 1, 2, 2, 1, 4, 2, 4, 3, 3, 1, 1, 1, 2, 3, 4, 4, 5, 3, 2, 1, 1, 2, 2, 3, 3, 3, 2, 5, 5, 2, 1, 2, 1, 2, 4, 2, 3, 2, 5, 4, 2, 2, 1, 1, 3, 1, 2, 2, 3, 3
(list; table; graph; listen)
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OFFSET
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2,3
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EXAMPLE
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Rows: {1}; {1,2}; {1,1,2}; ...
Example: T(4,3)=2 since remainders for 7=p(4) and 5=p(3) are 2,1,0; to wit, 7=1*5+2, 5=2*2+1, 2=2*1+0.
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CROSSREFS
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Sequence in context: A128259 A051194 A134838 this_sequence A131374 A013632 A080121
Adjacent sequences: A049840 A049841 A049842 this_sequence A049844 A049845 A049846
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KEYWORD
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nonn,tabl
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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