|
| |
|
|
A052348
|
|
Indices of A052343 (ways to write n as sum of two triangular numbers) where record values are reached.
|
|
7
| |
|
|
0, 6, 81, 276, 1056, 1381, 6906, 17956, 34531, 40056, 200281, 520731, 1001406, 1482081, 7410406, 19267056, 37052031, 60765331, 303826656, 789949306, 1519133281, 3220562556, 13429138206, 16102812781, 41867313231, 80514063906
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
REFERENCES
| The College Mathematics Journal Vol. 30 No. 5, Nov. 1999 Problem 665.
|
|
|
EXAMPLE
| a(2) = 6 because 6 = 6 + 0 = 3 + 3. a(3) = 81 because 81 = 3 + 78 = 15 + 66 = 36 + 55.
|
|
|
CROSSREFS
| Probably differs from A053587 only at n=1, 2, 4. Cf. A000217, A052343-A052347.
Sequence in context: A132616 A077393 A002676 * A196909 A197076 A064341
Adjacent sequences: A052345 A052346 A052347 * A052349 A052350 A052351
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Christian G. Bower (bowerc(AT)usa.net), Jan 23 2000
|
|
|
EXTENSIONS
| a(23)-a(26) from Donovan Johnson (donovan.johnson(AT)yahoo.com), May 24 2009
|
| |
|
|
