A358615 Record high values in A358497.

1, 12, 122, 123, 1222, 1223, 1232, 1233, 1234, 12222, 12223, 12232, 12233, 12234, 12322, 12323, 12324, 12332, 12333, 12334, 12342, 12343, 12344, 12345, 122222, 122223, 122232, 122233, 122234, 122322, 122323, 122324, 122332, 122333, 122334, 122342, 122343, 122344

Offset: 1

Author

Gleb Ivanov, Nov 23 2022

Keywords

• nonn
• base

Crossrefs

Cf. A358497, A071159.

Programs

Python

def A358497(n):
    d, s, k = dict(), str(n), 1
    for i in range(len(s)):
        if d.get(s[i], 0) == 0:
            d[s[i]] = str(k)
            k = (k + 1)%10
    s_t = list(s)
    for i in range(len(s)):s_t[i] = d[s[i]]
    return int(''.join(s_t))
terms = [1,]
for i in range(1, 10**6):
    if A358497(i)>terms[-1]:terms.append(A358497(i))
print(terms)