



0, 1, 1, 3, 4, 5, 4, 7, 8, 7, 8, 9, 9, 11, 12, 13, 14, 15, 14, 17, 18, 19, 17, 21, 22, 20, 21, 25, 23, 27, 24, 29, 27, 31, 27, 33, 34, 35, 31, 37, 35, 39, 34, 41, 37, 43, 37, 45, 41, 40, 43, 49, 43, 51, 44, 53, 49, 55, 47, 57, 53, 59, 50, 61, 62, 63, 55, 65, 56, 67, 57, 69, 65, 71, 61, 73, 63, 75, 64, 77, 67, 68, 68, 70, 77, 72, 72, 74, 75, 76, 75, 78, 78, 80, 78, 82, 89
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

0,4


COMMENTS

Numbers that do not occur in this sequence: 2, 6, 10, 16, 26, 28, 30, 32, 36, 38, 42, 46, 48, 52, 54, 58, 60, 66, 79, 81, 83, 91, 109, 111, 112, 116, 124, 147, 152, 156, ...


LINKS

Antti Karttunen, Table of n, a(n) for n = 0..65538


FORMULA

a(n) = n  A262904(n).


PROG

(Scheme) (define (A262906 n) ( n (A262904 n)))


CROSSREFS

Cf. A262904.
Sequence in context: A232702 A178698 A225072 * A243607 A242472 A272895
Adjacent sequences: A262903 A262904 A262905 * A262907 A262908 A262909


KEYWORD

nonn


AUTHOR

Antti Karttunen, Oct 07 2015


STATUS

approved



