A275786 - cp's OEIS frontend

A275786 a(n) = Product_{d|n} T(d) where T(x) = x*(x+1)/2 = A000217(x) = x-th triangular number.

n	a(n)
1	1
2	3
3	6
4	30
5	15
6	378
7	28
8	1080
9	270
10	2475
11	66
12	294840
13	91
14	8820
15	10800
16	146880
17	153
18	2908710
19	190
20	5197500
21	38808
22	50094
23	276
24	3184272000
25	4875
26	95823
27	102060
28	35809200
29	435
30	17401230000
31	496
32	77552640
33	222156
34	273105
35	264600
36	1511016670800
37	703
38	422370
39	425880

[1, 3, 6, 30, 15, 378, 28, 1080, 270, 2475, 66, 294840, 91, 8820, 10800, 146880, 153, 2908710, 190, 5197500, 38808, 50094, 276, 3184272000, 4875, 95823, 102060, 35809200, 435, 17401230000, 496, 77552640, 222156, 273105, 264600, 1511016670800, 703, 422370, 425880]

cp's OEIS Frontend

A275786 a(n) = Product_{d|n} T(d) where T(x) = x*(x+1)/2 = A000217(x) = x-th triangular number.

Table of values

List of values