A256487 a(n) = A254100(n) - A219178(n).

2, 4, 0, 4, 10, 18, 16, 36, 28, 48, 78, 80, 62, 90, 76, 110, 134, 158, 200, 220, 224, 216, 236, 280, 308, 312, 262, 314, 328, 402, 430, 424, 438, 488, 506, 538, 414, 510, 642, 620, 680, 648, 656, 690, 666, 684, 730, 790, 742, 840, 844, 862, 916, 976, 1004, 1092, 1072, 1112, 1054, 1166, 1176, 1184, 1292

Offset

1,1

Comments

Difference between the least nonludic number removed at the n-th stage of Ludic sieve and the least unlucky number removed at the n-th stage of Lucky sieve.

Links

Antti Karttunen, Table of n, a(n) for n = 1..933

Index entries for sequences generated by sieves

Formula

a(n) = A254100(n) - A219178(n).

Prog

(Scheme) (define (A256487 n) (- (A254100 n) (A219178 n)))

Crossrefs

Cf. A219178, A254100, A256482, A256486, A256488 (same terms divided by 2).

Sequence in context: A331762 A221255 A341862 * A079985 A059226 A221655

Adjacent sequences: A256484 A256485 A256486 * A256488 A256489 A256490

Keyword

nonn

Author

Antti Karttunen, May 01 2015

Status

approved