A278490 Leaves in the tree defined by edge relation A255131(child) = parent, the least squares beanstalk.

1, 2, 4, 5, 7, 10, 12, 13, 14, 17, 20, 22, 23, 25, 26, 28, 29, 31, 33, 34, 36, 37, 42, 44, 46, 47, 49, 52, 55, 57, 58, 60, 61, 62, 65, 68, 69, 76, 77, 79, 82, 84, 86, 89, 92, 94, 97, 98, 100, 101, 103, 106, 109, 110, 113, 116, 118, 119, 121, 122, 124, 125, 127, 132, 133, 140, 141, 142, 145, 148, 150, 153, 154, 156, 157

Offset: 1

Author

Antti Karttunen, Nov 25 2016

Keywords

• nonn

Comments

Numbers n for which there are no solutions to k - A002828(k) = n for any k, in other words, numbers n such that (A002828(1+n) <> 1) and (A002828(2+n) <> 2) and (A002828(3+n) <> 3) and (A002828(4+n) <> 4), as the maximum value that A002828 may obtain is 4.

Links

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

Crossrefs

Complement: A278489.

Positions of zeros in A278216.

Cf. A278494 (primes in this sequence).