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Search: id:A005411
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| A005411 |
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Feynman diagrams of order 2n.
(Formerly M3610)
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+0
1
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| 1, 4, 25, 208, 2146, 26368, 375733, 6092032, 110769550, 2232792064
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
P. Cvitanovic, B. Lautrup and R. B. Pearson, Number and weights of Feynman diagrams, Phys. Rev. D 18 (1978), 1939-1949.
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LINKS
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P. Cvitanovic, B. Lautrup and R. B. Pearson, The number and weights of Feynman diagrams, Phys. Rev. D18, 1939 (1978).
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CROSSREFS
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Sequence in context: A036242 A120955 A061714 this_sequence A105628 A064299 A038174
Adjacent sequences: A005408 A005409 A005410 this_sequence A005412 A005413 A005414
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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