A317804 Numbers of form 2^i*12^j, with i, j >= 0.

1, 2, 4, 8, 12, 16, 24, 32, 48, 64, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 1728, 2048, 2304, 3072, 3456, 4096, 4608, 6144, 6912, 8192, 9216, 12288, 13824, 16384, 18432, 20736, 24576, 27648, 32768, 36864, 41472, 49152, 55296, 65536

Offset

1,2

Links

Dario Ch, Table of n, a(n) for n = 1..10000

Prog

(Python)
from heapq import heappush, heappop
def sequence():
    pq = [1]
    seen = set(pq)
    while True:
        value = heappop(pq)
        yield value
        seen.remove(value)
        for x in 2 * value, 12 * value:
            if x not in seen:
                heappush(pq, x)
                seen.add(x)
seq = sequence()
finalsequence_list = [next(seq) for i in range(100)]  # Dario Ch, Sep 01 2018

Crossrefs

Cf. A025612, A003596, A107326, A003597, A107364, A025616, A108201, A108238.

Sequence in context: A181818 A363063 A336496 * A328524 A322447 A170892

Adjacent sequences: A317801 A317802 A317803 * A317805 A317806 A317807

Keyword

nonn,easy

Author

Dario Ch, Sep 01 2018

Status

approved