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A119255 Duplicate of A071969. 0
1, 1, 2, 6, 19, 63, 219, 787, 2897, 10869, 41414, 159822, 623391, 2453727, 9733866, 38877318, 156206233, 630947421, 2560537092, 10435207116, 42689715279, 175243923783, 721649457417, 2980276087005, 12340456995177, 51222441676513 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
CROSSREFS
Sequence in context: A001170 A001168 A193111 * A071969 A063030 A372531
KEYWORD
dead
STATUS
approved

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Last modified July 21 20:15 EDT 2024. Contains 374475 sequences. (Running on oeis4.)