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A116321 n times n+9 gives the concatenation of two numbers m and m+4. 4
36, 56, 35161, 64831, 80616, 3987149564, 4383189168, 5616810824, 6012850428, 7706615964, 8102655568, 4345867705884192320, 4745041385024898581, 5254958614975101411, 5654132294115807672, 79423444003688998051750982 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A243540 A336384 A124941 * A187989 A080469 A341283
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved

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Last modified September 4 13:47 EDT 2024. Contains 375683 sequences. (Running on oeis4.)