A120244 a(1) = 1. a(m(m+1)/2 + k) = a(m) + k, 1 <= k <= m+1, m >= 1.

1, 2, 3, 3, 4, 5, 4, 5, 6, 7, 4, 5, 6, 7, 8, 5, 6, 7, 8, 9, 10, 6, 7, 8, 9, 10, 11, 12, 5, 6, 7, 8, 9, 10, 11, 12, 6, 7, 8, 9, 10, 11, 12, 13, 14, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 6, 7, 8, 9, 10, 11, 12

Offset

1,2

Links

Kevin Ryde, Table of n, a(n) for n = 1..10011

Kevin Ryde, PARI/GP Code

Prog

(PARI) \\ See links.

Crossrefs

Cf. A120245, A120246.

Sequence in context: A120245 A120246 A361261 * A094727 A341511 A089308

Adjacent sequences: A120241 A120242 A120243 * A120245 A120246 A120247

Keyword

easy,nonn

Author

Leroy Quet, Jun 12 2006

Extensions

Extended by Ray Chandler, Jun 19 2006

Status

approved