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A259474 Erroneous version of A002817. 0
0, 1, 6, 21, 55, 120, 231, 406, 665, 1035, 1540, 2211 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

D. M. Jackson and G. H. J. van Rees, The enumeration of generalized double stochastic nonnegative integer square matrices, SIAM J. Comput., 4 (1975), 474-477.

LINKS

Table of n, a(n) for n=0..11.

D. M. Jackson & G. H. J. van Rees, The enumeration of generalized double stochastic nonnegative integer square matrices, SIAM J. Comput., 4.4 (1975), 474-477. (Annotated scanned copy)

CROSSREFS

Sequence in context: A262719 A238702 A162539 * A002817 A132366 A015641

Adjacent sequences:  A259471 A259472 A259473 * A259475 A259476 A259477

KEYWORD

dead

STATUS

approved

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Last modified February 26 20:18 EST 2020. Contains 332295 sequences. (Running on oeis4.)