A002631 Number of circuits of nullity n.

1, 2, 5, 16, 67, 435

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• more
• nice

References

• R. M. Foster, Geometrical circuits of electrical networks, Transactions of the American Institute of Electrical Engineers, 51 (1932), 309-317.
• N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
• N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Crossrefs

Cf. A002632.