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A205392 Ordered differences of numbers s(j)=ceiling(j^2/2). 2
1, 4, 3, 7, 6, 3, 12, 11, 8, 5, 17, 16, 13, 10, 5, 24, 23, 20, 17, 12, 7, 31, 30, 27, 24, 19, 14, 7, 40, 39, 36, 33, 28, 23, 16, 9, 49, 48, 45, 42, 37, 32, 25, 18, 9, 60, 59, 56, 53, 48, 43, 36, 29, 20, 11, 71, 70, 67, 64, 59, 54, 47, 40, 31, 22, 11, 84, 83, 80, 77 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

For a guide to related sequences, see A204892.

LINKS

Table of n, a(n) for n=1..70.

EXAMPLE

a(1)=s(2)-s(1)=2-1=1

a(2)=s(3)-s(1)=5-1=4

a(3)=s(3)-s(2)=5-2=3

a(4)=s(4)-s(1)=8-1=7

a(5)=s(4)-s(2)=8-2=6

MATHEMATICA

(See the program at A205394.)

CROSSREFS

Cf. A205394, A204892.

Sequence in context: A089020 A046560 A131413 * A249189 A168200 A112887

Adjacent sequences:  A205389 A205390 A205391 * A205393 A205394 A205395

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 27 2012

STATUS

approved

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Last modified July 18 19:00 EDT 2019. Contains 325144 sequences. (Running on oeis4.)