|
Search: id:A061804
|
|
| |
|
| 0, 6, 36, 114, 264, 510, 876, 1386, 2064, 2934, 4020, 5346, 6936, 8814, 11004, 13530, 16416, 19686, 23364, 27474, 32040, 37086, 42636, 48714, 55344, 62550, 70356, 78786, 87864, 97614, 108060, 119226, 131136, 143814, 157284, 171570, 186696
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
COMMENT
|
Sum of n-th row of triangle of even numbers: (2, 4), (6, 8, 10, 12), (14, 16, 18, 20, 22, 24), (26, 28, 30, 32, 34, 36, 38, 40), ..., where n-th row contains 2n terms.
|
|
EXAMPLE
|
a(3) = 114 = 14 + 16 +18 + 20 + 22 + 24.
|
|
CROSSREFS
|
a(n) = 6 times A005900.
Sequence in context: A086113 A060521 A036141 this_sequence A083374 A061707 A056375
Adjacent sequences: A061801 A061802 A061803 this_sequence A061805 A061806 A061807
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 28 2001
|
|
EXTENSIONS
|
More terms from Larry Reeves (larryr(AT)acm.org) and Alford Arnold (Alford1940(AT)aol.com), May 29 2001. Better description from Dean Hickerson, Jun 05, 2001.
|
|
|
Search completed in 0.002 seconds
|
