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A038200 Row sums of triangle K(m, n), inverse to triangle T(m,n) in A020921. +0
5
1, 0, -1, 3, -8, 21, -54, 134, -318, 720, -1560, 3259, -6641, 13391, -27107, 55657, -116244, 245823, -521738, 1101566, -2299215, 4730990, -9601095, 19273729, -38446742, 76598275, -153119606, 308061214, -624460449, 1274268038, -2611866713, 5362888620, -11003127203, 22516189988 (list; graph; listen)
OFFSET

1,4

COMMENT

The triangle K is A126713.

REFERENCES

Temba Shonhiwa, A Generalization of the Euler and Jordan Totient Functions, Fib. Quart., 37 (1999), 67-76.

LINKS

N. J. A. Sloane, Transforms

FORMULA

Inverse binomial transform of tau(n) = A000005(n): Sum_{k=0..n} (-1)^(n-k)*binomial(n, k)*A000005(k). - Vladeta Jovovic (vladeta(AT)eunet.rs), Oct 29 2002

CROSSREFS

Cf. A126713, A020921.

Sequence in context: A039671 A166287 A027930 this_sequence A030015 A103446 A094723

Adjacent sequences: A038197 A038198 A038199 this_sequence A038201 A038202 A038203

KEYWORD

sign

AUTHOR

Temba Shonhiwa (Temba(AT)maths.uz.ac.zw)

EXTENSIONS

Better description from Michael Somos

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


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