A241783 Numbers that cannot be partitioned into distinct parts of the form 3^k - 2^k, cf. A001047.

2, 3, 4, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 21, 22, 23, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 67, 68, 69, 72, 73, 74, 75, 76, 77

Offset

1,1

Comments

A241759(a(n)) = 0.

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Prog

(Haskell)
a241783 n = a241783_list !! (n-1)
a241783_list = filter ((== 0) . a241759) [0..]

Crossrefs

Cf. A240400 (complement).

Sequence in context: A207800 A109436 A177045 * A039254 A039195 A351173

Adjacent sequences: A241780 A241781 A241782 * A241784 A241785 A241786

Keyword

nonn

Author

Reinhard Zumkeller, Apr 28 2014

Status

approved