A354480 - cp's OEIS frontend

A354480 a(n) is the smallest decimal palindrome with Hamming weight n (i.e., with exactly n 1's when written in binary).

n	a(n)
0	0
1	1
2	3
3	7
4	77
5	55
6	111
7	191
8	383
9	767
10	5115
11	11711
12	15351
13	30703
14	81918
15	97279
16	744447
17	978879
18	1570751
19	3665663
20	8387838
21	66911966
22	66322366
23	132111231
24	199212991
25	389545983
26	939474939
27	3204444023
28	3220660223
29	11542724511
30	34258485243
31	33788788733
32	34292629243

[0, 1, 3, 7, 77, 55, 111, 191, 383, 767, 5115, 11711, 15351, 30703, 81918, 97279, 744447, 978879, 1570751, 3665663, 8387838, 66911966, 66322366, 132111231, 199212991, 389545983, 939474939, 3204444023, 3220660223, 11542724511, 34258485243, 33788788733, 34292629243]

cp's OEIS Frontend

A354480 a(n) is the smallest decimal palindrome with Hamming weight n (i.e., with exactly n 1's when written in binary).

Table of values

List of values