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A225789 Least triangular number of the form p*triangular(n) where p is a prime number, or 0 if no such triangular number exists. 0
0, 3, 6, 66, 190, 45, 105, 0, 2556, 1035, 5995, 8646, 1326, 16471, 210, 28680, 36856, 46971, 0, 72010, 630, 3003, 32131, 16836, 20100, 52975, 246051, 17766, 329266, 42195, 17205, 491536, 0, 17391, 0, 49770, 55278, 0, 30381, 5460, 0, 164451, 33411, 0, 4950, 85905, 584821 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..46.

FORMULA

a(n) = A225787(n) * A000217(n).

CROSSREFS

Cf. A000217, A068084, A225503, A225787.

Sequence in context: A137135 A069077 A214838 * A076551 A127637 A306451

Adjacent sequences:  A225786 A225787 A225788 * A225790 A225791 A225792

KEYWORD

nonn

AUTHOR

Alex Ratushnyak, May 16 2013

EXTENSIONS

a(28) corrected by Mansour Qahwaji, Jul 25 2019

STATUS

approved

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Last modified August 14 12:51 EDT 2022. Contains 356116 sequences. (Running on oeis4.)