A201004 - cp's OEIS frontend

A201004 Triangular numbers, T(m), that are five-quarters of another triangular number; T(m) such that 4T(m) = 5T(k) for some k.

n	a(n)
0	0
1	45
2	14535
3	4680270
4	1507032450
5	485259768675
6	156252138480945
7	50312703331095660
8	16200534220474321620
9	5216521706289400466025
10	1679703788890966475738475
11	540859403501184915787322970
12	174155048223592651917042257910
13	56077384668593332732371819724095

[0, 45, 14535, 4680270, 1507032450, 485259768675, 156252138480945, 50312703331095660, 16200534220474321620, 5216521706289400466025, 1679703788890966475738475, 540859403501184915787322970, 174155048223592651917042257910, 56077384668593332732371819724095]

cp's OEIS Frontend

A201004 Triangular numbers, T(m), that are five-quarters of another triangular number; T(m) such that 4T(m) = 5T(k) for some k.

Table of values

List of values

cp's OEIS Frontend

A201004 Triangular numbers, T(m), that are five-quarters of another triangular number; T(m) such that 4*T(m) = 5*T(k) for some k.

Table of values

List of values

A201004 Triangular numbers, T(m), that are five-quarters of another triangular number; T(m) such that 4T(m) = 5T(k) for some k.