A285105 Number of even terms on row n of A053632.

0, 0, 0, 1, 5, 4, 10, 13, 15, 18, 24, 37, 43, 40, 58, 59, 75, 86, 84, 87, 95, 124, 126, 149, 169, 158, 192, 211, 207, 232, 226, 265, 287, 278, 296, 307, 335, 356, 390, 429, 409, 422, 504, 481, 531, 520, 586, 563, 595, 646, 668, 681, 703, 696, 770, 759, 869, 838, 880, 915, 915, 968, 1006, 983, 1073, 1102, 1116, 1125, 1235, 1204, 1282, 1369, 1349

Offset

0,5

Links

Alois P. Heinz, Table of n, a(n) for n = 0..5000 (first 267 terms from Antti Karttunen)

Formula

a(n) = A080791(A068052(n)).

A000124(n) = A285103(n) + a(n).

Prog

(Scheme) (define (A285105 n) (A080791 (A068052 n)))

Crossrefs

Cf. A000124, A053632, A068052, A080791, A285103, A285104.

Sequence in context: A163888 A363323 A309545 * A360682 A089520 A163524

Adjacent sequences: A285102 A285103 A285104 * A285106 A285107 A285108

Keyword

nonn

Author

Antti Karttunen, Apr 15 2017

Status

approved