A257256 Difference between {the first unlucky number removed at the n-th stage of Lucky sieve} and {the n-th Lucky number}: a(n) = A219178(n) - A000959(n).

1, 2, 12, 18, 32, 40, 64, 84, 108, 124, 138, 170, 206, 214, 274, 296, 318, 338, 348, 378, 426, 454, 498, 532, 564, 600, 662, 678, 710, 736, 766, 836, 874, 920, 944, 954, 1078, 1104, 1120, 1170, 1202, 1254, 1296, 1332, 1378, 1416, 1434, 1466, 1592, 1612, 1660, 1696, 1778, 1786, 1820, 1888, 1932, 1952, 2058

Offset

1,2

Links

Antti Karttunen, Table of n, a(n) for n = 1..767

Formula

a(n) = A219178(n) - A000959(n).

Prog

(Scheme) (define (A257256 n) (- (A219178 n) (A000959 n)))

Crossrefs

First column of A257255.

Cf. A000959, A219178.

Sequence in context: A032413 A262897 A281353 * A325767 A335799 A190044

Adjacent sequences: A257253 A257254 A257255 * A257257 A257258 A257259

Keyword

nonn

Author

Antti Karttunen, Apr 29 2015

Status

approved