|
Search: id:A140255
|
|
| |
|
| 1, 3, 4, 5, 6, 7, 8, 7, 7, 9, 12, 10, 14, 11, 10, 9, 18, 11, 20, 12, 12, 15, 24, 13, 11, 17, 10, 14, 30, 15, 32, 11, 16, 21, 14, 15, 38, 23, 18, 15, 42, 17, 44, 18, 14, 27, 48, 16, 15, 15, 22, 20, 54, 15, 18, 17, 24, 33, 60, 20, 62, 35, 16, 13, 20, 21, 68, 24, 28, 19, 72, 19, 74
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
A140254 = the Mobius transform of A014963.
|
|
FORMULA
|
A051731 as an infinite lower triangular matrix * A014963 as a vector.
Equals row sums of triangle A140256 - Gary W. Adamson (qntmpkt(AT)yahoo.com), May 16 2008
|
|
EXAMPLE
|
a(4) = 5 = (1, 1, 0, 1) dot (1, 2, 3, 2) = (1 + 2 + 0 + 2); where (1, 1, 0, 1) = row 4 of triangle A051731 and (1, 2, 3, 2) = the first 4 terms of A014963.
|
|
CROSSREFS
|
Cf.5 A014963, A051731, A140254.
Cf. A140256.
Sequence in context: A088243 A154660 A004492 this_sequence A050270 A009041 A077396
Adjacent sequences: A140252 A140253 A140254 this_sequence A140256 A140257 A140258
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Gary W. Adamson and Mats Granvik (qntmpkt(AT)yahoo.com), May 16 2008
|
|
EXTENSIONS
|
More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 19 2009
|
|
|
Search completed in 0.002 seconds
|
