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A375939
Number of partitions of [n] such that the element sum of each block is one more than a multiple of four.
2
1, 1, 0, 1, 2, 3, 1, 8, 32, 51, 621, 472, 1808, 18852, 185126, 700416, 2850816, 25050590, 62536138, 738554752, 4435866368, 24317825290, 99140722056, 700527263744, 5421861765120, 31511992390138, 438926378204580, 1940902351858688, 13971468418934784, 173144462739887600, 1526866832064726976
OFFSET
0,5
LINKS
EXAMPLE
a(5) = 3: 14|23|5, 1|234|5, 1|23|45.
a(6) = 1: 123456.
a(7) = 8: 14|23|5|67, 1|234|5|67, 1|23|45|67, 1|23|467|5, 14|27|36|5, 1|247|36|5, 1|27|346|5, 1|27|36|45.
CROSSREFS
Column k=4 of A375924.
Sequence in context: A157963 A135950 A202063 * A200016 A147557 A117025
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Sep 03 2024
STATUS
approved