A205400 Ordered differences of quarter-squares.

1, 3, 2, 5, 4, 2, 8, 7, 5, 3, 11, 10, 8, 6, 3, 15, 14, 12, 10, 7, 4, 19, 18, 16, 14, 11, 8, 4, 24, 23, 21, 19, 16, 13, 9, 5, 29, 28, 26, 24, 21, 18, 14, 10, 5, 35, 34, 32, 30, 27, 24, 20, 16, 11, 6, 41, 40, 38, 36, 33, 30, 26, 22, 17, 12, 6, 48, 47, 45, 43, 40, 37, 33

Offset

1,2

Comments

For a guide to related sequences, see A204892.

Links

Table of n, a(n) for n=1..73.

Example

a(1)=s(2)-s(1)=2-1=1
a(2)=s(3)-s(1)=4-1=3
a(3)=s(3)-s(2)=4-2=2
a(4)=s(4)-s(1)=6-1=5
a(5)=s(4)-s(2)=6-2=4

Mathematica

(See the program at A205402.)

Crossrefs

Cf. A205402, A204892.

Sequence in context: A143956 A110661 A143124 * A205850 A204890 A307775

Adjacent sequences: A205397 A205398 A205399 * A205401 A205402 A205403

Keyword

nonn

Author

Clark Kimberling, Jan 27 2012

Status

approved