%I #14 Feb 26 2021 01:36:59
%S 1,8,18,38,66,102,138,206,256,336,422,498,544,688,772,908,1034,1172,
%T 1304,1466,1570,1768,1940,2106,2292,2488,2702,2928,3138,3392,3606,
%U 3834,4140,4334,4638,4904,5182,5494,5800,6072,6394,6688,7022,7424,7762,8096,8442,8852,9112,9606
%N Main diagonal of array A082224.
%o (PARI) lista(nn) = { my(A=matrix(nn, nn)); S=Set(); for(s=2, nn+1, for(i=1, s-1, if(s%2, q=[i, s-i], q=[s-i, i]); p=[sum(j=1, q[2]-1, A[q[1], j]), sum(j=1, q[1]-1, A[j, q[2]])]; n=1; while(setsearch(S, n) || (p[1]&&!isprime(p[1]+n)) || (p[2]&&isprime(p[2]+n)), n++); A[q[1], q[2]]=n; S=setunion(S, Set([n])); if(q[1]==q[2], print1(n, ", ")); )) } /* This is a modification of the PARI program by _Max Alekseyev_ in A082228. - _Petros Hadjicostas_, Feb 25 2021 */
%Y Cf. A082224, A082228, A082231.
%K nonn,easy
%O 1,2
%A _Amarnath Murthy_, Apr 09 2003
%E Edited and extended _David Wasserman_, Feb 27 2006
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