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.

A140754 Array T(n,k) = 19*n^2 + 10*k^2, read by rows, with 14 columns and 14 rows.

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%I A140754 #26 May 28 2025 19:06:08
%S A140754 29,59,109,179,269,379,509,659,829,1019,1229,1459,1709,1979,86,116,
%T A140754 166,236,326,436,566,716,886,1076,1286,1516,1766,2036,181,211,261,331,
%U A140754 421,531,661,811,981,1171,1381,1611,1861,2131,314,344,394,464,554,664,794
%N A140754 Array T(n,k) = 19*n^2 + 10*k^2, read by rows, with 14 columns and 14 rows.
%H A140754 Aldrich Stevens, <a href="/A140754/b140754.txt">Table of n, a(n) for n = 1..196</a>
%e A140754 The array in full:
%e A140754     29   59  109  179  269  379  509  659  829 1019 1229 1459 1709 1979
%e A140754     86  116  166  236  326  436  566  716  886 1076 1286 1516 1766 2036
%e A140754    181  211  261  331  421  531  661  811  981 1171 1381 1611 1861 2131
%e A140754    314  344  394  464  554  664  794  944 1114 1304 1514 1744 1994 2264
%e A140754    485  515  565  635  725  835  965 1115 1285 1475 1685 1915 2165 2435
%e A140754    694  724  774  844  934 1044 1174 1324 1494 1684 1894 2124 2374 2644
%e A140754    941  971 1021 1091 1181 1291 1421 1571 1741 1931 2141 2731 2621 2891
%e A140754   1226 1256 1306 1376 1466 1576 1706 1856 2026 2216 2426 2656 2906 3176
%e A140754   1549 1579 1629 1699 1789 1899 2029 2179 2349 2539 2749 2979 3229 3499
%e A140754   1910 1940 1990 2060 2150 2260 2390 2540 2710 2900 3110 3340 3590 3860
%e A140754   2309 2339 2389 2459 2549 2669 2789 2939 3109 3299 3509 3739 3989 4259
%e A140754   2746 2776 2826 2896 2986 3096 3226 3376 3546 3736 3946 4176 4426 4696
%e A140754   3221 3251 3301 3371 3461 3571 3701 3851 4021 4211 4421 4651 4901 5171
%e A140754   3734 3764 3814 3884 3974 4084 4214 4364 4534 4724 4934 5164 5414 5684
%t A140754 Table[19*n^2 +10*k^2, {n,14}, {k,14}]//Flatten (* _G. C. Greubel_, Oct 22 2023 *)
%o A140754 (Magma) [19*n^2+10*k^2: k in [1..14], n in [1..14]]; // _G. C. Greubel_, Oct 22 2023
%o A140754 (SageMath) flatten([[19*n^2+10*k^2 for k in range(1,15)] for n in range(1,15)]) # _G. C. Greubel_, Oct 22 2023
%Y A140754 Cf. A140340, A140755.
%K A140754 nonn,tabf,easy,less,fini,full
%O A140754 1,1
%A A140754 Aldrich Stevens (aldrichstevens(AT)msn.com), May 27 2008
%E A140754 Edited with better definition by _Omar E. Pol_, Jan 05 2009