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A260440 Unlucky numbers removed at the stage four of Lucky sieve. 3
27, 57, 91, 121, 153, 183, 217, 247, 279, 309, 343, 373, 405, 435, 469, 499, 531, 561, 595, 625, 657, 687, 721, 751, 783, 813, 847, 877, 909, 939, 973, 1003, 1035, 1065, 1099, 1129, 1161, 1191, 1225, 1255, 1287, 1317, 1351, 1381, 1413, 1443, 1477, 1507, 1539, 1569, 1603, 1633, 1665, 1695, 1729, 1759, 1791, 1821, 1855, 1885, 1917, 1947, 1981, 2011 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

FORMULA

a(n) = A258011(9*n).

a(n) = A260436(A255414(1+n)).

PROG

(Scheme, two alternatives)

(define (A260440 n) (A258011 (* 9 n)))

(define (A260440 n) (A255543bi 4 n)) ;; Code for A255543bi given in A255543.

CROSSREFS

Row 4 of A255543. Every ninth term of A258011.

Sequence in context: A132768 A053180 A080864 * A039459 A235164 A157500

Adjacent sequences:  A260437 A260438 A260439 * A260441 A260442 A260443

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jul 27 2015

STATUS

approved

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Last modified July 16 04:26 EDT 2019. Contains 325064 sequences. (Running on oeis4.)