A377925 Records in A228407.

0, 11, 100, 101, 103, 110, 114, 120, 201, 210, 1000, 1003, 1007, 1008, 1020, 1029, 1030, 1040, 1047, 1048, 1082, 1208, 1280, 1802, 1820, 2018, 2081, 2108, 2180, 2801, 2810, 8012, 8021, 8102, 8120, 8201, 8210, 10002, 10004, 10007, 10020, 10060, 10080, 10081, 10100, 10105, 10113, 10304, 10502, 10520, 11125, 11152, 11215, 11251, 11512, 11521, 12005, 12050, 12115, 12151

Offset: 1

Author

N. J. A. Sloane, Dec 14 2024

Keywords

• nonn
• base

Comments

First 48 terms were computed by Robert G. Wilson v, Dec 31 2013: see Comments in A228407.

Links

• Chai Wah Wu, Table of n, a(n) for n = 1..10000 (terms 1..514 from N. J. A. Sloane)

Crossrefs

Cf. A228407, A229218, A377926.

Programs

Python

from itertools import islice
from collections import Counter
def A377925_gen(): # generator of terms
    yield from (0,11)
    l, s, b, c = Counter('11'), 1, {11}, 11
    while True:
        i = s
        while True:
            if i not in b:
                li, o = Counter(str(i)), 0
                for d in (l+li).values():
                    if d % 2:
                        if o > 0:
                            break
                        o += 1
                else:
                    if i>c:
                        yield (c:=i)
                    l = li
                    b.add(i)
                    while s in b:
                        b.remove(s)
                        s += 1
                    break
            i += 1
A377925_list = list(islice(A377925_gen(),40)) # Chai Wah Wu, Dec 14 2024