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A339068
Number of unlabeled series-reduced 2-connected graphs with n edges.
2
1, 0, 1, 3, 5, 9, 26, 65, 193, 632, 2173, 8049, 31690, 130773, 563849, 2525348, 11702264, 55948154, 275331956, 1392136462, 7221272289, 38380011748, 208778309856
OFFSET
6,4
CROSSREFS
Column sums of A339069.
Sequence in context: A306838 A171879 A171877 * A004044 A192152 A217098
KEYWORD
nonn,more
AUTHOR
Andrew Howroyd, Nov 24 2020
STATUS
approved