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

1,2

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)

Prog

(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

Crossrefs

Cf. A228407, A229218, A377926.

Sequence in context: A288402 A287984 A261757 * A280049 A066329 A309870

Adjacent sequences: A377922 A377923 A377924 * A377926 A377927 A377928

Keyword

nonn,base

Author

N. J. A. Sloane, Dec 14 2024

Status

approved