A256874 - OEIS

A256874

Numbers divisible by prime(d) for each digit d in their base-4 representation, none of which may be zero.

6, 15, 30, 42, 90, 102, 150, 255, 342, 426, 510, 618, 630, 666, 678, 750, 870, 990, 1386, 1434, 1446, 1470, 1530, 1626, 1638, 1686, 1710, 1770, 1950, 2010, 2394, 2406, 2430, 2454, 2490, 2550, 2646, 2670, 2730, 2790, 2910, 2970, 3030, 3450, 3510, 3690, 3750, 3930, 3990, 4095, 5466, 5478, 5526, 5550, 5610, 5718, 5790

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OFFSET

1,1

COMMENTS

Base-4 analog of A256786. See A256875 - A256879 for the base-5, ..., base-9 analogs.

See A256884 for a variant where divisibility by prime(d+1) is required instead.

LINKS

Table of n, a(n) for n=1..57.

PROG

(PARI) is(n, b=4)=!for(i=1, #d=Set(digits(n, b)), (!d[i]||n%prime(d[i]))&&return)

CROSSREFS

Cf. A256786, A256875 - A256879, A256884.