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A173270 Partial sums of A001037, the number of degree-n irreducible polynomials over GF(2). 0
1, 3, 4, 6, 9, 15, 24, 42, 72, 128, 227, 413, 748, 1378, 2539, 4721, 8801, 16511, 31043, 58637, 111014, 210872, 401429, 766151, 1465021, 2807197, 5387992, 10359000, 19945395, 38458185, 74248452, 143522118, 277737798, 538038784, 1043325199 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..34.

FORMULA

a(n) = Sum_{i=0..n} A001037(i).

CROSSREFS

Cf. A001037, A058943 and A102569 for initial terms of underlying sequence. See also A058947, A011260, A059966, A000031 (n-bead necklaces but may have period dividing n).

Sequence in context: A326655 A291866 A332829 * A301657 A241342 A018830

Adjacent sequences: A173267 A173268 A173269 * A173271 A173272 A173273

KEYWORD

nonn

AUTHOR

Jonathan Vos Post, Feb 14 2010

STATUS

approved

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Last modified December 4 20:58 EST 2022. Contains 358570 sequences. (Running on oeis4.)