A077398 - cp's OEIS frontend

A077398 First member of the Diophantine pair (m,k) that satisfies 7*(m^2+m) = k^2+k; a(n)=m.

n	a(n)
0	0
1	2
2	5
3	39
4	87
5	629
6	1394
7	10032
8	22224
9	159890
10	354197
11	2548215
12	5644935
13	40611557
14	89964770
15	647236704
16	1433791392
17	10315175714
18	22850697509
19	164395574727
20	364177368759
21	2620014019925
22	5803987202642
23	41755828744080
24	92499617873520
25	665473245885362

[0, 2, 5, 39, 87, 629, 1394, 10032, 22224, 159890, 354197, 2548215, 5644935, 40611557, 89964770, 647236704, 1433791392, 10315175714, 22850697509, 164395574727, 364177368759, 2620014019925, 5803987202642, 41755828744080, 92499617873520, 665473245885362]

cp's OEIS Frontend

A077398 First member of the Diophantine pair (m,k) that satisfies 7*(m^2+m) = k^2+k; a(n)=m.

Table of values

List of values