A294827 - cp's OEIS frontend

A294827 Denominators of the partial sums of the reciprocals of twice the heptagonal numbers (k + 1)(5k + 2) = A135706(k+1) = 2*A000566(k+1), for k >= 0.

n	a(n)
0	2
1	7
2	252
3	2142
4	58905
5	1060290
6	16964640
7	627691680
8	627691680
9	29501508960
10	383519616480
11	7286872713120
12	225893054106720
13	15134834625150240
14	15134834625150240
15	15134834625150240
16	620528219631159840
17	17995318369303635360
18	413892322493983613280
19	8029511056383282097632

[2, 7, 252, 2142, 58905, 1060290, 16964640, 627691680, 627691680, 29501508960, 383519616480, 7286872713120, 225893054106720, 15134834625150240, 15134834625150240, 15134834625150240, 620528219631159840, 17995318369303635360, 413892322493983613280, 8029511056383282097632]

cp's OEIS Frontend

A294827 Denominators of the partial sums of the reciprocals of twice the heptagonal numbers (k + 1)(5k + 2) = A135706(k+1) = 2*A000566(k+1), for k >= 0.

Table of values

List of values

cp's OEIS Frontend

A294827 Denominators of the partial sums of the reciprocals of twice the heptagonal numbers (k + 1)*(5*k + 2) = A135706(k+1) = 2*A000566(k+1), for k >= 0.

Table of values

List of values

A294827 Denominators of the partial sums of the reciprocals of twice the heptagonal numbers (k + 1)(5k + 2) = A135706(k+1) = 2*A000566(k+1), for k >= 0.