A226390 First differences of A014011.

1, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12

Offset

1,2

Comments

a(A227388(n)) = n and a(m) < n for m < A227388(n).

Links

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

Prog

(Haskell)
a226390 n = a226390_list !! (n-1)
a226390_list = zipWith (-) (tail a014011_list) a014011_list

Crossrefs

Cf. A014011, A227389 (run lengths).

Sequence in context: A078767 A331137 A093125 * A156081 A368991 A147954

Adjacent sequences: A226387 A226388 A226389 * A226391 A226392 A226393

Keyword

nonn

Author

Reinhard Zumkeller, Jul 10 2013

Status

approved