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A116264 n times n+9 gives the concatenation of two numbers m and m-4. 4
76, 4327, 5665, 9364, 41505566065992219341, 44035313091289689594, 46429818586950933763, 48959565612248404016, 51040434387751595976, 53570181413049066229, 55964686908710310398, 58494433934007780651 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

9364 * 9373 = 8776//8772, where // denotes concatenation.

CROSSREFS

Cf. A116133, A116258, A116263, A116271.

Sequence in context: A278685 A198530 A234176 * A324434 A004299 A049669

Adjacent sequences:  A116261 A116262 A116263 * A116265 A116266 A116267

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified June 23 13:01 EDT 2021. Contains 345401 sequences. (Running on oeis4.)