A085784 - OEIS

A085784

Product of a prime and any number of triangular numbers.

2, 3, 5, 6, 7, 9, 11, 12, 13, 15, 17, 18, 19, 20, 21, 23, 27, 29, 30, 31, 33, 36, 37, 39, 41, 42, 43, 45, 47, 50, 51, 53, 54, 56, 57, 59, 60, 61, 63, 66, 67, 69, 70, 71, 72, 73, 75, 78, 79, 81, 83, 84, 87, 89, 90, 93, 97, 99, 101, 102, 103, 105, 107, 108, 109

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..65.

EXAMPLE

36 = p(1)*t(2)*t(3) = 2*3*6 = 36.

54 = p(1)*t(2)*t(2)*t(2) = 2*3*3*3 = 54.

CROSSREFS

Sequence in context: A124134 A007071 A242482 * A085783 A143664 A282131

Adjacent sequences: A085781 A085782 A085783 * A085785 A085786 A085787

KEYWORD

nonn,changed

AUTHOR

Jon Perry, Jul 23 2003

EXTENSIONS

Missing terms inserted by Sean A. Irvine, Jul 09 2026

STATUS

approved