A348442 Records in A088178.

1, 2, 4, 6, 10, 12, 15, 20, 24, 28, 32, 40, 42, 45, 48, 60, 70, 72, 78, 84, 98, 104, 108, 110, 120, 132, 143, 144, 147, 152, 160, 168, 189, 190, 198, 204, 209, 228, 234, 240, 256, 272, 280, 300, 304, 306, 323, 342, 360, 364, 378, 392, 420, 425, 450, 456, 460, 475, 500, 504, 506, 525, 550, 552, 575

Offset: 1

Author

N. J. A. Sloane, Oct 21 2021

Keywords

• nonn

Links

• Chai Wah Wu, Table of n, a(n) for n = 1..3000

Crossrefs

Cf. A088177, A088178, A348440-A348443.

Programs

Python

from itertools import islice
def A348442(): # generator of terms
    yield 1
    c, p, a = 1, {1}, 1
    while True:
        n, na = 1, a
        while na in p:
            n += 1
            na += a
        p.add(na)
        a = n
        if c < na:
            c = na
            yield c
A348442_list = list(islice(A348442(),100)) # Chai Wah Wu, Oct 21 2021