(In reply to
re: possible solution. //infinitely many ? by Ady TZIDON)
Extending the check through the 10,000th triangular number yields ever more results. The 9680th triangular gives A+B=93710065.
ordinal
A B A+B tri sq
2016 1 2017 63 1
2211 196 2407 66 14
2415 400 2815 69 20
3240 1225 4465 80 35
5151 3136 8287 101 56
8256 6241 14497 128 79
10296 8281 18577 143 91
17391 15376 32767 186 124
18915 16900 35815 194 130
32640 30625 63265 255 175
41616 39601 81217 288 199
72771 70756 143527 381 266
139656 137641 277297 528 371
246051 244036 490087 701 494
315615 313600 629215 794 560
557040 555025 1112065 1055 745
608856 606841 1215697 1103 779
1075311 1073296 2148607 1466 1036
1380291 1378276 2758567 1661 1174
2438736 2436721 4875457 2208 1561
4710915 4708900 9419815 3069 2170
8325240 8323225 16648465 4080 2885
10688376 10686361 21374737 4623 3269
18889731 18887716 37777447 6146 4346
20649951 20647936 41297887 6426 4544
36495696 36493681 72989377 8543 6041
46856040 46854025 93710065 9680 6845
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Posted by Charlie
on 2015-10-14 08:09:55 |
extended list
