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A097329 Least common multiple of {3,7,11,...,4n+3}. 2
3, 21, 231, 1155, 21945, 504735, 4542615, 140821065, 140821065, 1830673845, 78718975335, 3699791840745, 62896461292665, 62896461292665, 3710891216267235, 3710891216267235, 248629711489904745 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

The first three terms are the same as the denominators in A074638.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..100

MATHEMATICA

Table[LCM@@Range[3, 4n+3, 4], {n, 0, 19}]

PROG

(Magma) k:=67; [Lcm([h: h in [3..j by 4]]): j in [3..k by 4]]; // Bruno Berselli, May 03 2011

CROSSREFS

Cf. A004767 (4n+3), A074638 (denominator of 1/3+1/7+/11+...+1/(4n+3)).

Cf. A051539.

Sequence in context: A082545 A074638 A332708 * A119097 A326604 A008545

Adjacent sequences: A097326 A097327 A097328 * A097330 A097331 A097332

KEYWORD

easy,nonn

AUTHOR

T. D. Noe, Aug 04 2004

STATUS

approved

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Last modified February 4 14:20 EST 2023. Contains 360055 sequences. (Running on oeis4.)