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A133276
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Triangle read by rows: row n gives the first arithmetic progression of n primes with minimal distance, cf. A033188.
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4
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2, 2, 3, 3, 5, 7, 5, 11, 17, 23, 5, 11, 17, 23, 29, 7, 37, 67, 97, 127, 157, 7, 157, 307, 457, 607, 757, 907, 199, 409, 619, 829, 1039, 1249, 1459, 1669, 199, 409, 619, 829, 1039, 1249, 1459, 1669, 1879, 199, 409, 619, 829, 1039, 1249, 1459, 1669, 1879, 2089, 60858179, 60860489, 60862799, 60865109, 60867419, 60869729, 60872039, 60874349, 60876659, 60878969, 60881279
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OFFSET
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1,1
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COMMENTS
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The first 10 rows (i.e., 55 terms) are the same as for A133277 (where the final term is minimal), but here a(56) = T(11,1) = 608581797 while A133277(11,1) = 110437. - M. F. Hasler, Jan 02 2020
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LINKS
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EXAMPLE
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Triangle begins:
2
2 3
3 5 7
5 11 17 23
5 11 17 23 29
7 37 67 97 127 157
7 157 307 457 607 757 907
199 409 619 829 1039 1249 1459 1669
199 409 619 829 1039 1249 1459 1669 1879
199 409 619 829 1039 1249 1459 1669 1879 2089
...
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MAPLE
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AP:=proc(i, d, l) [seq(i + (j-1)*d, j=1..l )]; end;
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CROSSREFS
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Different from A133277 (from T(11,1) = a(56) on).
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KEYWORD
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AUTHOR
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STATUS
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approved
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