A278510 a(n) = A258851(n) - A056239(n).

0, 0, 0, 2, 0, 4, 0, 9, 8, 7, 0, 16, 0, 10, 14, 28, 0, 28, 0, 27, 20, 15, 0, 47, 24, 18, 48, 38, 0, 47, 0, 75, 30, 23, 34, 78, 0, 26, 36, 78, 0, 66, 0, 57, 80, 31, 0, 122, 48, 78, 46, 68, 0, 128, 50, 109, 52, 38, 0, 129, 0, 41, 112, 186, 60, 99, 0, 87, 62, 109, 0, 197, 0, 48, 132, 98, 70, 118, 0, 201, 208, 53, 0, 180, 76, 56, 76, 164, 0, 211, 84, 117, 82, 61

Offset

1,4

Links

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

Formula

a(n) = A258851(n) - A056239(n).

Crossrefs

Cf. A056239, A258851.

Cf. A008578 (positions of zeros).

Sequence in context: A128983 A265833 A066493 * A285773 A137449 A056946

Adjacent sequences: A278507 A278508 A278509 * A278511 A278512 A278513

Keyword

nonn

Author

Antti Karttunen, Dec 11 2016

Status

approved