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A056578 revision #2

A056578 1+2n+3n^2+4n^3. 15
1, 10, 49, 142, 313, 586, 985, 1534, 2257, 3178, 4321, 5710, 7369, 9322, 11593, 14206, 17185, 20554, 24337, 28558, 33241, 38410, 44089, 50302, 57073, 64426, 72385, 80974, 90217, 100138, 110761, 122110, 134209, 147082, 160753, 175246 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
FORMULA
a(n) =(A053699(n+1)-A053699(n-1))/2-4n-1
EXAMPLE
For n>4 this is 4321 translated from base n to base 10
CROSSREFS
Note: 1+2x+3x^2+4x^3 is derivative of 1+x+x^2+x^3+x^4, i.e. A053699. Cf. A000012, A005408, A056109, A056579.
Sequence in context: A045770 A217165 A154066 * A370216 A307904 A226797
KEYWORD
easy,nonn,new
AUTHOR
Henry Bottomley (se16(AT)btinternet.com), Jun 29 2000
STATUS
approved

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Last modified August 29 09:16 EDT 2024. Contains 375511 sequences. (Running on oeis4.)