A261127 - cp's OEIS frontend

A261127 Triangular numbers t such that (sum of digits of t) + (product of digits of t) is a triangular number.

n	a(n)
1	0
2	3
3	10
4	105
5	120
6	136
7	190
8	210
9	300
10	406
11	703
12	780
13	820
14	1081
15	1128
16	1431
17	1540
18	1653
19	1770
20	1891
21	1953
22	2080
23	2211
24	2628
25	2701
26	2850
27	3003
28	3160
29	3403
30	3570
31	4560
32	4656
33	5050
34	5460
35	7021
36	7260
37	7503
38	8646
39	8911
40	9453
41	10011
42	10153
43	11026
44	12403
45	14028
46	15400

[0, 3, 10, 105, 120, 136, 190, 210, 300, 406, 703, 780, 820, 1081, 1128, 1431, 1540, 1653, 1770, 1891, 1953, 2080, 2211, 2628, 2701, 2850, 3003, 3160, 3403, 3570, 4560, 4656, 5050, 5460, 7021, 7260, 7503, 8646, 8911, 9453, 10011, 10153, 11026, 12403, 14028, 15400]

cp's OEIS Frontend

A261127 Triangular numbers t such that (sum of digits of t) + (product of digits of t) is a triangular number.

Table of values

List of values