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A173603 a(1) = 1, for n >= 2; a(n) = the smallest number h such that tau(h) = A000005(h) = a(n-1) + 2. 8
1, 4, 12, 192, 237684487542793012780631851008 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The next term is too large to include.

LINKS

Table of n, a(n) for n=1..5.

FORMULA

A000005(a(n)) = a(n-1) + 2 for n >= 2.

CROSSREFS

Cf. A014221, A173604, A173605, A173606, A173607, A173608, A173609, A171959, A173011.

Sequence in context: A032071 A222393 A213143 * A175718 A076030 A202859

Adjacent sequences:  A173600 A173601 A173602 * A173604 A173605 A173606

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Nov 06 2010

STATUS

approved

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Last modified July 30 23:12 EDT 2021. Contains 346365 sequences. (Running on oeis4.)