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A010092 Weight distribution of d=4 Hamming code of length 63. 1
1, 0, 9765, 1057224, 60544953, 1996794072, 41694856749, 584173436400, 5724932809365, 40448633569680, 210758816714985, 823875120414360, 2447745309517725, 5580858785942664, 9832942289229633, 13449656041565856 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier-North Holland, 1978, p. 129.

LINKS

Georg Fischer, Table of n, a(n) for n = 0..30

List of weight distributions

FORMULA

a(n) = A010087(2n). - Georg Fischer, Jul 14 2020

MATHEMATICA

m:=63; RecurrenceTable[{a[n]==(Binomial[m, n-1]-a[n-1]-(m-n+2)*a[n-2])/n, a

[0]==1, a[1]==0}, a, {n, 0, m}][[1;; m-2;; 2]] (* Georg Fischer, Jul 14 2020; from the reference, p. 129 *)

CROSSREFS

Cf. A010087.

Sequence in context: A204286 A242878 A247696 * A023339 A145209 A035911

Adjacent sequences:  A010089 A010090 A010091 * A010093 A010094 A010095

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified January 26 17:36 EST 2021. Contains 340442 sequences. (Running on oeis4.)