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A038581 Absolute value of first differences of A038552, divided by 24. 0
11, 20, 27, 47, 45, 90, 16, 180, 134, 76, 89, 115, 396, 184, 135, 245, 471, 405, 825, 124, 1001, 220, 874, 769, 405, 15, 944, 1671, 1320, 45, 1309, 2410, 1365, 876, 280, 2446, 5460, 1519, 310, 1485, 680, 855, 795, 481, 6440, 3640, 1680, 2416, 155, 6525, 4455, 585, 4459 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..53.

Eric Weisstein's World of Mathematics, Class Number

FORMULA

a(n) = abs(A038552(n+1)-A038552(n))/24.

CROSSREFS

Cf. A038552.

Sequence in context: A230541 A053715 A250203 * A044054 A044435 A302563

Adjacent sequences:  A038578 A038579 A038580 * A038582 A038583 A038584

KEYWORD

nonn

AUTHOR

Robert Brewer (rbrewerjr(AT)aol.com)

EXTENSIONS

Corrected and extended by Michel Marcus, Apr 29 2016

STATUS

approved

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Last modified June 6 16:34 EDT 2020. Contains 334828 sequences. (Running on oeis4.)