# b-file for OEIS sequence A230389,
# "Least k such that n! + k^2 + k is a perfect square."
# Terms found using Wolfram Alpha ( http://www.wolframalpha.com/ )
# using query strings like "integer solution y^2 = x^2 + x + 26!, x>0, y>0"
#
0 0
1 0
2 1
3 5
4 3
5 119
6 719
7 260
8 180
9 495
10 3628799
11 39916799
12 6561647
13 9899
14 722799
15 15308432
16 735092
17 779904000
18 1193692724
19 77841862127
20 1947879910469375
21 7981643124
22 231453720692
23 37427202522827
24 1793894810624
25 251579908188224
26 286527829489835787
27 33866880878997899
28 6990767537470796792264427
29 815688617547676394198475
30 1267901202801003503917707
31 172390168644582125783047072500
32 67193986141388038400
33 17950136888907153833327
34 26658506789374202100
35 106527298622537576594501560180651546367
36 1608941982913341552395431947
37 64055533256611648533762136860527
38 83354477191386981675878987
39 1354761530811761054900624
40 230337264167022941438399
41 2756222218452766779893347900498475
42 44032665431088204117530033087