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A079950
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Triangle of n-th prime modulo twice primes less n-th prime.
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3
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2, 3, 3, 1, 5, 5, 3, 1, 7, 7, 3, 5, 1, 11, 11, 1, 1, 3, 13, 13, 13, 1, 5, 7, 3, 17, 17, 17, 3, 1, 9, 5, 19, 19, 19, 19, 3, 5, 3, 9, 1, 23, 23, 23, 23, 1, 5, 9, 1, 7, 3, 29, 29, 29, 29, 3, 1, 1, 3, 9, 5, 31, 31, 31, 31, 31, 1, 1, 7, 9, 15, 11, 3, 37, 37, 37, 37, 37, 1, 5, 1, 13, 19, 15, 7, 3, 41
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The right border of the triangle are the primes: T(n,n)=A000040(n); T(n,1)=A039702(n), T(n,2)=A039704(n) for n>1, T(n,3)=A007652(n) for n>2, T(n,4)=A039712(n) for n>3;
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FORMULA
| T(n, k) = prime(n) mod 2*prime(k), 1<=k<=n.
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CROSSREFS
| Cf. A001747, A079951, A079952, A079953.
Sequence in context: A085667 A035516 A120428 * A174953 A138677 A193885
Adjacent sequences: A079947 A079948 A079949 * A079951 A079952 A079953
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KEYWORD
| nonn,tabl
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AUTHOR
| Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 19 2003
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