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A328634 Numbers n for which A328578(n) = A257993(A276086(A276086(n))) = 4. 3
4, 8, 16, 32, 64, 152, 184, 210, 242, 274, 362, 394, 440, 448, 452, 484, 572, 604, 634, 638, 646, 662, 694, 782, 814, 872, 904, 992, 1024, 1070, 1078, 1082, 1114, 1202, 1234, 1264, 1268, 1276, 1292, 1324, 1412, 1444, 1470, 1502, 1534, 1622, 1654, 1700, 1708, 1712, 1744, 1832, 1864, 1894, 1898, 1906, 1922, 1954, 2042 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Numbers n for which A276087(n) is a multiple of 30, but not of 7.

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..10000

Index entries for sequences related to primorial base

PROG

(PARI)

A257993(n) = { for(i=1, oo, if(n%prime(i), return(i))); }

A276086(n) = { my(m=1, p=2); while(n, m *= (p^(n%p)); n = n\p; p = nextprime(1+p)); (m); };

A328578(n) = A257993(A276086(A276086(n)));

isA328634(n) = (4==A328578(n));

CROSSREFS

Row 4 of A328631.

Cf. A257993, A276086, A328578.

Sequence in context: A151821 A147639 A049934 * A089890 A049932 A272712

Adjacent sequences:  A328631 A328632 A328633 * A328635 A328636 A328637

KEYWORD

nonn

AUTHOR

Antti Karttunen, Oct 27 2019

STATUS

approved

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Last modified January 20 10:58 EST 2020. Contains 331081 sequences. (Running on oeis4.)