A274756 - cp's OEIS frontend

A274756 Values of n such that 2n+1 and 6n+1 are both triangular numbers.

n	a(n)
1	0
2	945
3	13167
4	35578242
5	495540990
6	1338951572595
7	18649189618605
8	50390103447476100
9	701843601611053692
10	1896381151803363988917
11	26413182084381205040235
12	71368408216577696911440390
13	994033693861758668873164410
14	2685878672926303893761783662455

[0, 945, 13167, 35578242, 495540990, 1338951572595, 18649189618605, 50390103447476100, 701843601611053692, 1896381151803363988917, 26413182084381205040235, 71368408216577696911440390, 994033693861758668873164410, 2685878672926303893761783662455]

cp's OEIS Frontend

A274756 Values of n such that 2n+1 and 6n+1 are both triangular numbers.

Table of values

List of values

cp's OEIS Frontend

A274756 Values of n such that 2*n+1 and 6*n+1 are both triangular numbers.

Table of values

List of values

A274756 Values of n such that 2n+1 and 6n+1 are both triangular numbers.