A076288 Numbers of the form (9^{mr}-1)/(9^r-1) for positive integers m, r.

1, 10, 82, 91, 730, 820, 6562, 6643, 7381, 59050, 66430, 531442, 532171, 538084, 597871, 4782970, 5380840, 43046722, 43053283, 43584805, 48427561, 387420490, 387952660, 435848050, 3486784402, 3486843451, 3530369206, 3922632451, 31381059610, 35303692060

Offset

1,2

Links

Table of n, a(n) for n=1..30.

T. Chinburg and M. Henriksen, Sums of k-th powers in the ring of polynomials with integer coefficients, Acta Arithmetica, 29 (1976), 227-250.

Crossrefs

Cf. A064896 (k=2), A076270 (k=3), A076275 (k=4), A076284 (k=5), A076285 (k=6), A076286 (k=7), A076287 (k=8), A076289 (k=10).

Sequence in context: A043458 A038487 A043028 * A362508 A232332 A154246

Adjacent sequences: A076285 A076286 A076287 * A076289 A076290 A076291

Keyword

nonn

Author

N. J. A. Sloane, Nov 06 2002

Status

approved