cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A133276 Triangle read by rows: row n gives the first arithmetic progression of n primes with minimal distance, cf. A033188.

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%I A133276 #18 Jan 03 2020 10:19:26
%S A133276 2,2,3,3,5,7,5,11,17,23,5,11,17,23,29,7,37,67,97,127,157,7,157,307,
%T A133276 457,607,757,907,199,409,619,829,1039,1249,1459,1669,199,409,619,829,
%U A133276 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
%N A133276 Triangle read by rows: row n gives the first arithmetic progression of n primes with minimal distance, cf. A033188.
%C A133276 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
%H A133276 OEIS wiki, <a href="https://oeis.org/wiki/Primes_in_arithmetic_progression">Primes in arithmetic progression</a>.
%H A133276 <a href="/index/Pri#primes_AP">Index entries for sequences related to primes in arithmetic progressions</a>
%e A133276 Triangle begins:
%e A133276     2
%e A133276     2   3
%e A133276     3   5   7
%e A133276     5  11  17  23
%e A133276     5  11  17  23   29
%e A133276     7  37  67  97  127  157
%e A133276     7 157 307 457  607  757  907
%e A133276   199 409 619 829 1039 1249 1459 1669
%e A133276   199 409 619 829 1039 1249 1459 1669 1879
%e A133276   199 409 619 829 1039 1249 1459 1669 1879 2089
%e A133276   ...
%e A133276 Row 10 is the same as in A086786, A113470, A133277, and listed as A033168. - _M. F. Hasler_, Jan 02 2020
%p A133276 AP:=proc(i,d,l) [seq(i + (j-1)*d, j=1..l )]; end;
%Y A133276 For common differences see A033188, for initial terms see A033189.
%Y A133276 Different from A133277 (from T(11,1) = a(56) on).
%Y A133276 Cf. A086786, A113470, A033168.
%K A133276 nonn,tabl
%O A133276 1,1
%A A133276 _N. J. A. Sloane_, Oct 17 2007