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A082660 Number of ways n can be expressed as the sum of a square and a triangular number. 0
1, 1, 1, 1, 1, 1, 2, 0, 0, 3, 1, 1, 0, 1, 2, 1, 1, 0, 3, 0, 1, 2, 0, 1, 1, 2, 0, 2, 1, 1, 2, 1, 0, 0, 1, 1, 4, 0, 1, 2, 0, 1, 0, 1, 2, 3, 0, 0, 1, 1, 1, 2, 1, 1, 2, 1, 1, 0, 2, 0, 2, 0, 0, 3, 1, 1, 2, 0, 0, 4, 1, 1, 0, 1, 1, 0, 1, 1, 2, 1, 1, 3, 0, 1, 2, 0, 2, 0, 0, 0, 4, 2, 0, 2, 1, 1, 0, 0, 0, 2, 1, 2, 2, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

LINKS

Table of n, a(n) for n=1..105.

EXAMPLE

a(631)=8 because:

1. 631=6+625

2. 631=55+576

3. 631=190+441

4. 631=231+400

5. 631=406+225

6. 631=435+196

7. 631=595+36

8. 631=630+1

CROSSREFS

Sequence in context: A263414 A162934 A303908 * A134673 A131636 A188023

Adjacent sequences:  A082657 A082658 A082659 * A082661 A082662 A082663

KEYWORD

nonn

AUTHOR

Jason Earls, May 17 2003

STATUS

approved

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Last modified October 23 14:45 EDT 2019. Contains 328345 sequences. (Running on oeis4.)