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A258711 Motzkin numbers A001006 read mod 7. 5
1, 1, 2, 4, 2, 0, 2, 1, 1, 2, 4, 2, 6, 3, 3, 3, 6, 5, 6, 5, 1, 0, 0, 0, 0, 0, 1, 6, 5, 5, 3, 6, 3, 5, 5, 2, 2, 4, 1, 4, 4, 0, 1, 1, 2, 4, 2, 0, 2, 1, 1, 2, 4, 2, 0, 2, 1, 1, 2, 4, 2, 6, 3, 3, 3, 6, 5, 6, 5, 1, 0, 0, 0, 0, 0, 1, 6, 5, 5, 3, 6, 3, 5, 5, 2, 2, 4, 1, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..88.

Rob Burns, Structure and asymptotics for Motzkin numbers modulo small primes using automata, arXiv:1612.08146 [math.NT], 2016.

Anders Hyllengren, Letter to N. J. A. Sloane, Oct 04 1985

PROG

(PARI) a001006(n) = polcoeff((1-x-sqrt((1-x)^2-4*x^2+x^3*O(x^n)))/(2*x^2), n);

vector(200, n, n--; a001006(n) % 7) \\ Altug Alkan, Oct 23 2015

CROSSREFS

Cf. A001006.

A001006 read mod 2,3,5,7,11: A039963, A039964, A258712, A258711, A258710.

Sequence in context: A278215 A209466 A277659 * A127278 A202069 A094239

Adjacent sequences:  A258708 A258709 A258710 * A258712 A258713 A258714

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 14 2015

STATUS

approved

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Last modified February 19 09:19 EST 2018. Contains 299330 sequences. (Running on oeis4.)